5.0.0-RC1

• [MenuBundle] Fix adminlist to use FQCN instead of object for form type #1564 (@Devolicious)
• [UI] Added buildGroundControlSkeleton task #1560 (@janb87)
• [SeoBundle] Fix Seo tab nodelistener #1559 (@Devolicious)
• [UI] Added server & watch tasks for development #1548 (@dbeerten)
• [AdminBundle] [GeneratorBundle]: Add possibility to add extra js for the backend #1539 (@dbeerten)
• [DOCS]: add gulp-cli dependency #1533 (@dbeerten)
• [Composer] update fos userbundle dependency #1531 (@Devolicious)
• [AllBundles] Improved FE development environment #1528 (@janb87)
• [AdminBundle] Remove key for ConsoleExceptionListener argument #1516 (@wesleylancel)
• [ALL] use gulp for cms assets & add compiled assets to public folders #1510 (@dbeerten)
• [KunstmaanNodeSearchBundle]: upgrade elastica to 5.1 #1494 (@sandergo90)
• [All] move from php 5.5 to php 5.6 #1471 (@Devolicious)
• [All] fix cmf-routing dependency #1468 (@Devolicious)
• [NodeSearchBundle] Make NodeSearcher properties protected for extending #1451 (@b-franco)
• [NodeBundle] Remove default for is_homepage #1442 (@wesleylancel)
• [ArticleBundle] [GeneratorBundle] Add support for tags and categories in ArticleBundle and refactoring of article generator #1391 (@treeleaf)
• [AllBundles][BC break] Change initiating new form type by fqcn (SF3 style) #1348 (@aistis-)