updated packaging for ubuntu/debian for 0.6. Executables and resources will have dfferent names, so that packages for 0.5 and 0.6 can be installed simultaneously

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@7502 b45a01b8-16f6-495d-af2f-9b41ad6348cc
added missing dependencies in INCLUDEPATH if sqlcipher is not installed in the system

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@7503 b45a01b8-16f6-495d-af2f-9b41ad6348cc