Merge with default

--HG--
branch : stable
Added tag v2.0.0 for changeset 2caa93c48c3d

--HG--
branch : stable
Merge with default

--HG--
branch : stable
Added tag v2.0.1 for changeset 02e96feb8adc

--HG--
branch : stable
Fix issue with publishing assets in the Bootstrap component

--HG--
branch : stable
Merge with stable
Fix less import in yii.less