WIP split of executive into processor/notifier

I haven't fixed the cucumber steps to work with the new code yet.
fix event parts of cucumber tests
bugfixes, fix notifications cucumber tests
pass event count through to notifier
backwards compatible config loading, fix truth checking
Merge branch 'master' of github.com:flpjck/flapjack into 247_split_executive
Merge branch 'master' of github.com:flpjck/flapjack into 247_split_executive
Merge branch 'master' of github.com:flpjck/flapjack into 247_split_executive
Merge pull request #248 from ali-graham/247_split_executive

Split executive into two parts
fix formatting of jabber help text
modify notification log format to be closer to what it was previously
Update CHANGELOG.md
Merge branch 'master' of github.com:flpjck/flapjack into 25_change_haml_to_erb