split part of multi-geometry
return the proper error code
Merge pull request #741 from 3nids/splitpart

[Feature] split part of multi-geometry
Updated news
Put GPL version to 2 instead of 3 in the readme
Added script to create changelog from http://binarystatic.wordpress.com/2010/02/18/how-to-convert-git-log-to-changelog/
Regenerate changelog
Updated install doc
Tweaked BUGS documentation
install qbrowser manpage
Added small note about 2.0.1 in news
Fix missing 1.8 heading in news (thanks Leyan)