Merge pull request #782 from lucianobaraglia/master

Typo in doc [skip ci]
Fixes #783.
Merge pull request #784 from lucianobaraglia/master

Last typo fixes in guide - I swear - [skip ci]
Update apps-advanced.md

typo
model generator WIP
refactored gii.
Updated bootstrap to release version including wrappers and views
used placeholder in version for twig
typo path fix
Merge pull request #788 from callmez/master

typo path fix
Update alert widget
Merge pull request #789 from rmrevin/master

Update alert widget
model generator WIP
Missing SemiKolon in module generator module template

missing semikolon after namespace in module template
Refactored hint feature.
model generator WIP
Merge pull request #793 from philippfrenzel/patch-3

Missing SemiKolon in module generator module template
Fixes #795: do not generate form-control css class for file input as it would display an unneeded border.
better handling with exceptions in __toString()
refactored generators.