Added ability to match Variation in language tag eg en-GB+VARIATIONTAG
- Changed wording around LanguageTag to support the official PrivateUse subtag
Added console error if PO generator finds blank lines in PO file
Revert "Added console error if PO generator finds blank lines in PO file"

This reverts commit deff6d10d011a55a0f2b0ff452c25dc37627f69a.
Revert "- Changed wording around LanguageTag to support the official PrivateUse subtag"

This reverts commit 54a9ae94a74c203029225df992e68dd760a7d51c.
Revert "Added ability to match Variation in language tag eg en-GB+VARIATIONTAG"

This reverts commit 33e7a2d82529ccc02f63f9afac299768a89aca1d.
Added an option to exclude certain URLs from processing

By default, excludes LESS, CSS files and URLs matching the phrases
Merge pull request #150 from couraud/ExcludeUrlsFromProcessing

Exclude URLs from processing