IDE: package editor: move files: check if unit exists

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@45512 4005530d-fff6-0310-9dd1-cebe43e6787f
IDE: lpi: use as default EditorIndex=0, WindowIndex=0, TopLine=1, X=1, Y=1

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@45513 4005530d-fff6-0310-9dd1-cebe43e6787f
IDE: lpi: use as default: UnitName=ExtractFileNameOnly(filename)

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@45514 4005530d-fff6-0310-9dd1-cebe43e6787f
IDE: lpi: use as default: ActiveWindowIndexAtStart=0

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@45515 4005530d-fff6-0310-9dd1-cebe43e6787f
IDE: lpi: use as default: JumpHistory/HistoryIndex=0

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@45516 4005530d-fff6-0310-9dd1-cebe43e6787f
IDE: lpi: use as default: JumpHistory/Line,Column,TopLine=1

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@45517 4005530d-fff6-0310-9dd1-cebe43e6787f
IDE: lpi: use as default: EditorMacros/Count=0

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@45518 4005530d-fff6-0310-9dd1-cebe43e6787f