1. It results in much smaller download and takes less disk space (25MB instead of 180MB for yii-basic + dependencies).
2. It requires less utilities to be installed (no VCS binaries required).
3. It takes less time to install dependencies.

also ignore tests and vendor

fixes #1787

the LogPanel already filters out profile so it does not make sense
adding it here.

issue #62

as requested in
https://github.com/yiisoft/yii2/pull/1781#issuecomment-31587963
https://github.com/yiisoft/yii2/issues/1478#issuecomment-31576474
fixes #1478

fixes #1773

issue #1747

also fixed problems with display on small screens.

fixes #1747

issue #1747