move EmailAnalysis class into its own module
remove unneccessary line from EmailAnalysis
move YAML config loading into separate modules
move analyzer to its own module
Merge remote-tracking branch 'origin/master' into imap-refactor

Conflicts:
	configs.js.EXAMPLE
	mailreader.js
mock c2 config file dependency
Merge pull request #11 from 18F/imap-refactor

move config and analyzer into their own modules