Keys tag always must be rendered

if we use grid filters and we don't have result then the next attempt to filter throws error (the gridview.getUrl() returns undefined)
Fixed issue #522: Scope contamination when using multiple gridviews.
TbBox action button icon style broken

When I set an icon on an action in the TbBox header (button in the upper right corner of the box header), it gets the style of the header icon (text in the upper left corner of the box header).
Update box.less
Update CHANGELOG.md
Merge pull request #529 from fleuryc/patch-1

TbBox action button icon style broken
Simple override for Gii tooltips
fixes #347
Merge remote-tracking branch 'origin/1.1.0-wip' into 1.1.0-wip
Replaced the broken implementation of bootstrap CSS file inclusion.
fix #528

Inserted Bootstrap 2.3.2 assets for all possible combinations of parameters.

Corrected the implementation of registration because CDN hosts only responsive, minified versions of Bootstrap libraries.
Removed LESS files as they are unused
Removed bootstrap CSS files from old place
Removed stray font-awesome.html from the codebase.
Updated changelog with the description of latest changes.
Made initialization of `TbDateRangePicker.callback` in `TbInputHorizontal` and `TbInputVertical` according to it's type declaration.
fix #543
Fixed link to download the end-user distributive.
Removed dependency on `YII_DEBUG` from the packages definition.
Grouped decoration widgets into "decoration" package.
Added annotations for phpStorm
Added package for WYSIWYG input editors.
Updated the version.