Use LEDE as base for Gluon

.gitignore

@@ -1,7 +1,6 @@
 *~
-/build
+/lede
 /output
 /site
-/openwrt
+/tmp
 /packages
-/modules.local

LICENSE

@@ -1,7 +1,7 @@
 The code of Project Gluon may be distributed under the following terms, unless
 noted otherwise in individual files or subtrees.
 
-Copyright (c) 2013, Project Gluon
+Copyright (c) 2013-2017, Project Gluon
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
@@ -25,10 +25,10 @@ OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 
-OpenWrt is licensed under the terms of the GNU General Public License Version 2,
-which can be found under openwrt/LICENSE after the openwrt submodule has been
-obtained. This applies to the following submodules:
- * openwrt
+LEDE and OpenWrt are licensed under the terms of the GNU General Public License
+Version 2, which can be found at lede/LICENSE after the lede repository has been
+obtained. This applies to the following repositories:
+ * lede
  * packages/openwrt
  * packages/routing
  * packages/luci