Bump airbrake version
jrouge/SYS-1123/Make_the_SF_mechanism_to_get_unique_session_ids_more_robust
Merge pull request #14 from Work4Labs/jrouge/SYS-1123/Make_the_SF_mechanism_to_get_unique_session_ids_more_robust

jrouge/SYS-1123/Make_the_SF_mechanism_to_get_unique_session_ids_more_rob...
small change due to PHP 5.4 upgrade
Merge branch 'staging'