updated dependencies in Gemfile
updated zeus
locked down Rspec to <3.0, because of too mane deprecations
updated jasmine config files
code review refactoring
Merge pull request #437 from YaroSpace/Gemfile_update

Gemfile update
fixed tabs and visitors specs
silenced the output of omniauth performing authentications in specs
silenced expected exception on requesting unexistent page in profile_privacy feature
silenced the output of bulk mailer to console
rspec syntax fix
added silence-omniauth hook to cucumber
Fix for Mercury Missing Image
replaced stubs for stdout and stderr
Replaced super with the method definion in build_resource
Added new cucumber feature for Omniauth without email