Merge pull request #11 from daniellemayne/develop

bugzid 3335: public image search (develop)
Merge pull request #13 from daniellemayne/develop

bugzid 3364: list networks (develop)
Megre: fix for failure to launch vm's in different regions from 2013.07 into develop
Merge pull request #15 from SlavD/develop

Megre: fix for failure to launch vm's in different regions from 2013.07 ...
Merge remote-tracking branch 'upstream/develop' into develop