added NgMinPreProcessor
updated DefaultProcessorProvider with ngmin
Merge pull request #161 from janeklb/feature-ngmin

added NgMinPreProcessor
added NgMinPreProcessor
updated DefaultProcessorProvider with ngmin
adding tests for NgMin
Merge pull request #168 from janeklb/feature-ngmin

Feature ngmin
Merge branch '1.7.x' into issue812
Prepare new development iteration
remove duplicate dependency
Merge remote-tracking branch 'origin/1.7.x' into 1.7.x
get latest changes of NgMinProcessor
rename processor & add more test cases
update logging level for tests to DEBUG
start new development iteration
inject requestHandlers only during creation, not on each request to prevent sporadic issue with fields not being injected in concurrent environment
update coffeescript,emberjs & handlebars webjars versions
Merge branch 'issue834' into 1.7.x
Merge branch 'issue812' into 1.7.x
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