more robust filename checking
updated comment
remove unused local vars and redundant var
Merge branch 'master' into jeff/validate-win-filenames
rtc: move and reorder, added unit test
RTC:change to regex and optimize unit test
Add EJS language as a separate entry
Merge pull request #3982 from adobe/jeff/validate-win-filenames

Improve Filename Validation Robustness
Merge pull request #4166 from lkcampbell/fix-issue-4137

[OPEN] Fix for issue #4137
Merge pull request #4059 from shikolay/master

[OPEN] Minor clean ups
Reduce the set of extensions we test for HTML in LanguageManager-test
Merge pull request #4196 from adobe/nj/fix-language-manager-unit

Reduce the set of extensions we test for HTML in LanguageManager-test
Updated by ALF automation.