Refactored Method to make it more testable
Refactored Config Model methods to be more testable
Adding unit tests
Reformat code, lowercase booleans, null
Adding basic test for the observer class
Correct return value in phpdoc
Added default config value enable_method_log
Add Tests for Abtract Mock class, making that class more testable
Add Tests for Data Helper
enable_method_log now per store
Refactored Payment class to be testable
Adding Test for all Mock Models
Refactor method setMockPhpIncludePath to make it testable
Moved method setMockPhpIncludePath from observer into helper
Merge remote-tracking branch 'upstream/master'

* upstream/master:
  Moved method setMockPhpIncludePath from observer into helper
  Refactor method setMockPhpIncludePath to make it testable
  Adding Test for all Mock Models
  Refactored Payment class to be testable
  enable_method_log now per store
  Add Tests for Data Helper
  Add Tests for Abtract Mock class, making that class more testable
  Added default config value enable_method_log
  Correct return value in phpdoc
  Adding basic test for the observer class
  Reformat code, lowercase booleans, null
  Adding unit tests
  Refactored Config Model methods to be more testable
  Refactored Method to make it more testable