Some changes to get the migrations working correctly.

app/controllers/admin/users_controller.rb

@@ -31,4 +31,8 @@ def update_new_user user, new_user_hash
       redirect_to new_admin_user_path
     end
   end
+
+  def user_params
+    params.require(:user).permit()
+  end
 end

app/models/role.rb

@@ -1,4 +1,4 @@
 class Role < ActiveRecord::Base
-  has_and_belongs_to_many :users
+  has_many :users
   has_and_belongs_to_many :permissions
 end

app/models/user.rb

@@ -1,7 +1,9 @@
 class User < ActiveRecord::Base
-  has_and_belongs_to_many :roles, :skills, :jobs
+  has_many :skills
+  has_and_belongs_to_many :jobs
   has_many :permissions, :through =>  :roles
   has_one :resume, :foreign_key => :owner_id
+  has_one :role
 
   accepts_nested_attributes_for :roles
   accepts_nested_attributes_for :skills
@@ -16,7 +18,7 @@ class User < ActiveRecord::Base
   validates :email, presence:   true,
             format:     { with: VALID_EMAIL_REGEX },
             uniqueness: { case_sensitive: false }
-  VALID_PHONE_REGEX = /^(\([0-9]{3}\) |[0-9]{3}-|[0-9]{3})[0-9]{3}-[0-9]{4}$/
+  VALID_PHONE_REGEX = /(\([0-9]{3}\) |[0-9]{3}-|[0-9]{3})[0-9]{3}-[0-9]{4}/
   validates :phone,
             format:     { with: VALID_PHONE_REGEX }
 
@@ -35,4 +37,4 @@ def is_admin?
   def can_post?
     self.has_permission? "can_post"
   end
-end
+end

db/migrate/20140921055840_jobs_tags.rb

@@ -1,6 +1,6 @@
 class JobsTags < ActiveRecord::Migration
   def up
-    create table :jobs_tags, :id=>false do |t|
+    create_table :jobs_tags, :id=>false do |t|
       t.integer :job_id
       t.integer :tag_id
     end

db/migrate/20140921074109_users_skills.rb

@@ -1,6 +1,6 @@
 class UsersSkills < ActiveRecord::Migration
   def up
-    create table :users_skills, :id=>false do |t|
+    create_table :users_skills, :id=>false do |t|
       t.integer :user_id
       t.integer :skill_id
     end

db/schema.rb

@@ -9,58 +9,91 @@
 # from scratch. The latter is a flawed and unsustainable approach (the more migrations
 # you'll amass, the slower it'll run and the greater likelihood for issues).
 #
-# It's strongly recommended to check this file into your version control system.
+# It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20130619173956) do
+ActiveRecord::Schema.define(version: 20140921074109) do
 
-  create_table "permissions", :force => true do |t|
+  create_table "categories", force: true do |t|
     t.string "name"
   end
 
-  create_table "permissions_roles", :id => false, :force => true do |t|
+  create_table "jobs", force: true do |t|
+    t.integer  "owner_id"
+    t.string   "title"
+    t.string   "description"
+    t.integer  "salary"
+    t.string   "location"
+    t.integer  "category_id"
+    t.datetime "deadline"
+    t.datetime "created_at"
+    t.datetime "updated_at"
+  end
+
+  create_table "jobs_tags", id: false, force: true do |t|
+    t.integer "job_id"
+    t.integer "tag_id"
+  end
+
+  create_table "permissions", force: true do |t|
+    t.string "name"
+  end
+
+  create_table "permissions_roles", id: false, force: true do |t|
     t.integer "permission_id"
     t.string  "role_id"
   end
 
-  create_table "posts", :force => true do |t|
-    t.integer  "owner_id"
-    t.text     "title"
-    t.text     "body"
-    t.datetime "created_at", :null => false
-    t.datetime "updated_at", :null => false
-    t.boolean  "draft"
+  create_table "resumes", force: true do |t|
+    t.string  "title"
+    t.string  "body"
+    t.integer "owner_id"
   end
 
-  create_table "roles", :force => true do |t|
+  create_table "roles", force: true do |t|
     t.string "name"
   end
 
-  create_table "roles_users", :id => false, :force => true do |t|
+  create_table "roles_users", id: false, force: true do |t|
     t.integer "role_id"
     t.string  "user_id"
   end
 
-  add_index "roles_users", ["role_id"], :name => "index_roles_users_on_role_id"
-  add_index "roles_users", ["user_id"], :name => "index_roles_users_on_user_id"
+  add_index "roles_users", ["role_id"], name: "index_roles_users_on_role_id", using: :btree
+  add_index "roles_users", ["user_id"], name: "index_roles_users_on_user_id", using: :btree
+
+  create_table "skills", force: true do |t|
+    t.string  "name"
+    t.integer "users_id"
+  end
+
+  create_table "tags", force: true do |t|
+    t.string "name"
+  end
 
-  create_table "users", :force => true do |t|
-    t.string   "email",                  :default => "", :null => false
-    t.string   "encrypted_password",     :default => "", :null => false
+  create_table "users", force: true do |t|
+    t.string   "email",                  default: "", null: false
+    t.string   "encrypted_password",     default: "", null: false
     t.string   "reset_password_token"
     t.datetime "reset_password_sent_at"
     t.datetime "remember_created_at"
-    t.integer  "sign_in_count",          :default => 0
+    t.integer  "sign_in_count",          default: 0
     t.datetime "current_sign_in_at"
     t.datetime "last_sign_in_at"
     t.string   "current_sign_in_ip"
     t.string   "last_sign_in_ip"
-    t.datetime "created_at",                             :null => false
-    t.datetime "updated_at",                             :null => false
+    t.datetime "created_at"
+    t.datetime "updated_at"
+    t.string   "phone"
     t.string   "username"
     t.string   "name"
   end
 
-  add_index "users", ["email"], :name => "index_users_on_email", :unique => true
-  add_index "users", ["reset_password_token"], :name => "index_users_on_reset_password_token", :unique => true
+  add_index "users", ["email"], name: "index_users_on_email", unique: true, using: :btree
+  add_index "users", ["reset_password_token"], name: "index_users_on_reset_password_token", unique: true, using: :btree
+
+  create_table "users_skills", id: false, force: true do |t|
+    t.integer "user_id"
+    t.integer "skill_id"
+  end
 
 end