adding support to gtalk notification
adding links to gtalk and campfire if they are configured
small change in error
Merge branch 'master' of https://github.com/errbit/errbit

Conflicts:
	Gemfile
	app/models/notice_observer.rb
	spec/fabricators/notification_service_fabricator.rb
reset a problem's notice count when it is reopened (by a notice) not when it is resolved
add a spec asserting that resolving a problem doesn't reset its notice count
backtrace extraced to it's class
1.8 syntax
added support to change the branch name for backtrace links - default to master
add BacktraceLine#fingerprint
add ExtractBacktraces migration
verbose migration
gems path normalization
add BacktraceLine.in_app
Backtrace#fingerprint use BacktraceLine#to_s
- use BacktraceLine methods instead of hask keys
- add BacktraceLine#file_relative
fix Err fingerprint
extract backtrace related helpers
update fingerprints
BacktraceLineHelper refactoring