Converter: improve comments

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41590 4005530d-fff6-0310-9dd1-cebe43e6787f
Codetools: move similar functions dealing with unit name together.

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41591 4005530d-fff6-0310-9dd1-cebe43e6787f
Codetools: optimize TPascalReaderTool.ExtractSourceName. Use already existing GetSourceNamePos.

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41592 4005530d-fff6-0310-9dd1-cebe43e6787f
Converter: Change unit name to match disk name unless the disk name is all lowercase.

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41593 4005530d-fff6-0310-9dd1-cebe43e6787f
Packager: formatting

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41594 4005530d-fff6-0310-9dd1-cebe43e6787f
Converter: Add a flag for "Register" procedure in a packages's unit.

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41595 4005530d-fff6-0310-9dd1-cebe43e6787f