New form for editing custom defines.

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@42258 4005530d-fff6-0310-9dd1-cebe43e6787f
LazControls: formatting

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@42259 4005530d-fff6-0310-9dd1-cebe43e6787f
IDE: BuildLazDialog tweaking

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@42260 4005530d-fff6-0310-9dd1-cebe43e6787f
IDE: formatting

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@42261 4005530d-fff6-0310-9dd1-cebe43e6787f
IDE: add a GUI for compiler defines. Synchronized with Custom Options.

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@42262 4005530d-fff6-0310-9dd1-cebe43e6787f