Version bump to 0.2.12
Version bump to 0.2.12

travis-repos/savon,advishnuprasad/savon,payfriendz/savon,BlaneCordes/savon_vertex,oafridi/savon,rtrepo/savon,enahum/savon,kimptoc/Savon-with-username-token-digest,latortuga/savon,SICSoftwareGmbH/savon,billr578/savon,zerobatu/savon,viniciusnz/savon,Eric-Guo/savon,savonrb/savon,mpangrazzi/savon