Basic date extraction helpers

Added localizations
Date extraction by format
Amd support
Fix prototype extension
Added moment to a test page
Phrase extraction
Added extractors class
Extractors spec
Merge branch 'master' of github.com:tiktokcoach/ttc-text into date-extraction-utils

Conflicts:
	ttc-text.js
Shared behaviour
Date specs
Date extraction specs for the date in default format
Date extraction by format specs enhancements
Refactored extractors specs.
Merge branch 'master' of github.com:tiktokcoach/ttc-text into date-extraction-utils

Conflicts:
	Gruntfile.js
	lib/shared.js
	ttc-text.js
Refactored extractors specs structure
Specs refactoring
Date extraction by keyword specs
Extraction date specs refactoring
Date extraction specs grouping
Date `by day name` extractor specs