PoChecker:
- reload a po-file when clicked on the Run button.
- some preparations for IDE integration.
Patch by Giuliano Colla, modified by me.


git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@46352 4005530d-fff6-0310-9dd1-cebe43e6787f
LCL, check for col/row index (fixes ocassional Index out of range exception)

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@46353 4005530d-fff6-0310-9dd1-cebe43e6787f
PoChecker:
- IDE integration (open PoFile in IDE). Patch by Giuliano Colla, slightly modified by me.
- Regenerated languagefiles.


git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@46354 4005530d-fff6-0310-9dd1-cebe43e6787f