IDE: spelling fixes in Unit Dependencies dialog

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41839 4005530d-fff6-0310-9dd1-cebe43e6787f
IDE: fixed compilation

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41840 4005530d-fff6-0310-9dd1-cebe43e6787f
IDE: improve component list behavior. Make it more consistent when docked and floating.

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41841 4005530d-fff6-0310-9dd1-cebe43e6787f