Merge pull request #327 from stefk/master

Moving sources in dedicated repositories
Updated ant build file
Merge remote-tracking branch 'upstream/master'
Moved build config to dev folder + added placeholders for build dir
Added placeholders in cache and logs dirs
Renamed placeholders to .gitkeep and added placeholders in required dirs
Fixed ant base dir path
Fixed ant base dir path (2)
Fixed ant base dir path (3)
Excluded frontend bundle from jshint linting
Fixed ant config