Modified regular expressions for support wrapping in tags.
Modified regular expressions for correct formatting of grammatical cases in Russian language. Escaped symbols doesn't affect the correct format of grammatical cases in pattern 'D[oD]? MMMM?'.
Merge remote-tracking branch 'origin/develop' into develop

Conflicts:
	lang/ru.js
Merge pull request #1195 from jarosluv/develop

Modified regular expressions for support wrapping in tags.
Removed forEach from format tests
Merge pull request #1219 from ichernev/bugfix/ie8-fixes

Removed forEach from format tests
Deprecate use of globally exported moment in case of AMD and CommonJS

This is discussed in #1214. If moment is exported as a global in AMD or
CommonJS print a warning once the global is used.
Merge pull request #1220 from ichernev/deprecate-global

Deprecate use of globally exported moment in case of AMD and CommonJS
Fix globally-exporter wrapper
Bumping version to 2.4.0
update test/lang/zh-cn.js, skip next week test if target is tomorrow
Merge pull request #1224 from zenozeng/develop

update test/lang/zh-cn.js, skip next week test if target is tomorrow