Tests for anyContent BodyParser
Optimize anyContent BodyParser for GET requests

By not parsing the Content-Type for GET requests we can speed things up.
Fix all warnings and little bit refactoring.
Fix ws certificate generator for java 8
change RichFileSetting to standard way
Removed colon from Content-Security-Policy directive
Change Array[JSSourceFile] to List[SourceFile]
Add note about thread pool configuration

As discussed in http://goo.gl/42elqF
Merge pull request #2670 from richdougherty/empty-anycontent-speedup

Speed up AnyContentAsEmpty parsing for GET and HEAD requests
Merge pull request #2666 from fernandoacorreia/context-doc

Add note about thread pool configuration
Merge pull request #2663 from mikamix/fix_javascript_compiler_warnings

Fix JavascriptCompiler warnings
Merge pull request #2657 from pvlugter/java8-tests

Fix WS certificate generator for java 8
Merge pull request #2660 from mkurz/SecurityHeaderFix

Removed colon from Content-Security-Policy directive
Merge pull request #2659 from mikamix/fix_template_compiler_warnings

Fix ScalaTemplateCompiler warnings
Merge pull request #2658 from mikamix/fix_play_settings_warnings

Fix PlaySettings warnings
Added Play feature tour
Merge pull request #2661 from jroper/feature-tour

Added Play feature tour