Add Config\Reader for Java-style properties
Add unit tests and test assets for Zend\Config\Reader\JavaProperties
Conform to ZF2 contribution coding standards
Fix unit tests for invalid properties
Support use of the exclamation point "!" as comment mark
Fix indentation and eof newline for code standards
Fix docblock tags
Fixed spacing with php-cs-fixer
Removed namespace alias
Removed confusing lines from test assets
Fixed spacing in parse method
Clarified test for invalid include in string
Removed assertions for confusing lines from test assets
Clarified docblock comments regarding return type and exceptions
Merge pull request #4824 from mvargeson/feature/config-reader-javaproperties

Add Config Reader for Java-style .properties files and strings
Merge branch 'feature/4824' into develop

Close #4824