[BACKLOG-194] - Refactor and unit tests for FileResource.doGetFileOrDir
Merge pull request #1715 from brendan-lynch/oemdocfeaturerequest

[BACKLOG-194] - Refactor and unit tests for FileResource.doGetFileOrDir
[BACKLOG-194] -- reverted extraction of static method for system stability
Merge pull request #1716 from krivera-pentaho/oemdoc

[BACKLOG-194] -- reverted extraction of static method for system stabili...
[BACKLOG-194] -- re-activated test cases for doCreateFile and added checkstyles formatting
Merge pull request #1717 from krivera-pentaho/oemdoc

[BACKLOG-194] -- re-activated test cases for doCreateFile and added chec...