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.
[BACKLOG-194] -- Added comments, service extraction, and unit test for FileResource.doGetFileAsInline