Merge pull request #969 from isometriks/fix_help_block_popover

Fix type in help block.. help_label_popover => help_block_popover
updated font-awesome4 to 4.2
Merge pull request #973 from nnscr/master

updated font-awesome4 to 4.2
Add favicon in a twig block

Ready to be override
Merge pull request #987 from HotStep/patch-3

Add favicon in a twig block
Move license
CS Fixer