Updates to use new put method
Add UT that has server name and capabs
Merge pull request #497 from Metaswitch/iss77

[No reviewer] Add UT that has server name and capabs
Update to use new PUT method, and add comment in UT
Take latest cpp-common
Update cpp-common
Merge branch 'dev' into sto721

Conflicts:
	sprout/ut/httpconnection_test.cpp
Merge pull request #498 from Metaswitch/sto721

[No reviewer] Sto721
Re-enable --ralf as command line parameter after bad merge
Merge remote-tracking branch 'origin/master' into sto563