Fix RequestProcessor.removeSpiceServiceListener to actually remove listener rather than adding it again.
remove RequestCancellationListener after request
Merge branch 'master' of github.com:mikegr/robospice into mikegr-master
fix checkstyle and merge #148
Merge branch 'master' of https://github.com/octo-online/robospice
Merge pull request #136 from jasco/removeSpiceServiceListener_fix

Fix RequestProcessor.removeSpiceServiceListener to actually remove listener rather than adding it again