 Fix deprecation (and formatter problem) in RSpec 2.14
 Fix deprecation (and formatter problem) in RSpec 2.14

RSpec 2.14 has both `backtrace_clean_patterns` and `backtrace_exclusion_patterns`. Using the former generates a deprecation message, which somehow also disables the textmate formatter.

die-antwort/rspec-tmbundle,rspec/rspec.tmbundle,infininight/rspec-tmbundle,infininight/rspec-tmbundle,rspec/rspec.tmbundle,die-antwort/rspec-tmbundle