Documentation - added info how to customize home page.
Merge pull request #107 from luigi69/master

Documentation - added info how to customize home page.
travis - add notifications
Merge pull request #108 from Wasper/wasper

Travis - add notifications
Spec cleanup
Merge pull request #109 from norzechowicz/cleanup

Specs cleanup
Upgraded dependencies
Merge pull request #110 from chives/dev

Upgraded dependencies
Move registering template globals from Twig Extension to Container Compiler Pass.