Webpack Release

BREAKING

• #94 - use webpack as asset bundler
• #132 use husky for githooks
• #133 allow all filenames to be used as blueprints
• remove support for less
• remove support for node 6

General

• #116 Split Generator into smaller parts
• #126 Enable Nitro to run in monorepo environment

... and some other fixes and improvements: milestone, 3.7.0...4.0.0