[BACKLOG-194] Refactor and docs for /repo/files/{pathId : .+}/metadata
Merge pull request #1749 from bmorrise/oemdocdev

[BACKLOG-194] Refactor and docs for /repo/files/{pathId : .+}/metadata
[BACKLOG-194] OEM refactoring for doGetReservedCharactersDisplay
Merge branch 'oemdoc' of https://github.com/pentaho/pentaho-platform.git into oemdoc