Fix retrieval of files
Allow the script to skip the build if the packages have already been built
…option (-c) to optionally clean .deb package, closes #10
…of the 'sun-java6' repository for users behind restrictive firewalls.
For rraptorr/sun-java6.git, the script was using git protocol instead of...
… of https. This leads to problems behind some firewalls.
…sun-java6-bin' on 64-bit systems.