ERP-116 - added transaction override as well as stack based publish, so that we only publish when the stack size goes back to 0 for the number of times delay_messages is called.
Merge branch 'master' into ERP-116
ERP-116 - revved gem version.
Merge branch 'master' into ERP-116

Conflicts:
	lib/banter/version.rb
ERP-116 and ERP-131 - brought all code into this version.
Merge pull request #18 from honest/ERP-116

ERP-116