Merge pull request #1713 from bmorrise/oemdoc

[BACKLOG-194] Refactor and docs for /repos/files/deletepermanent endpoint
[BACKLOG-194] -- FileResource.createFile service implementation, unit test, and templated comments complete
Merge pull request #1714 from krivera-pentaho/oemdoc

[BACKLOG-194] -- FileResource.createFile service implementation, unit te...
[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...
[BACKLOG-194] - Coded doGetFileOrDirAsDownload using the FileService.
[BACKLOG-194] - Coded doGetFileOrDirAsDownload using the FileService.
[BACKLOG-194] - Refactor and unit tests for FileResource.doGetFileOrDir
Merge pull request #1720 from brendan-lynch/oemfeaturerequest2

[BACKLOG-194] - Refactor and unit tests for FileResource.doGetFileOrDir
Merge pull request #1719 from wseyler/oemdocdev

[BACKLOG-194] - Coded doGetFileOrDirAsDownload using the FileService.