version 0.5.3.201007292300 released

changes from the previous version:
- the Java code is compiled with 1.5 restrictions, otherwise it does not work on most platforms (#3036456)
- the update site was regenerated from scratch, without build.properties and it seems the categories are now displayed (#2833594)
- the files ChangeLog.txt, HowToBuild.txt were removed from the repository
- the file README.txt was simplified

Posted by Liviu Ionescu (ilg) 2010-07-29