Adding WIKI comments for 2 algorithms

Adding WIKI comments for AbortRemoteJob and Authenticate.  Also adding
initDocs() functions.

Refs #9002
Add WIKI comments to some remote jobs algorithms

Add WIKI comments and initDocs() functions to DownloadRemoteFile
and QueryAllRemoteJobs.

Refs #9002
Merge branch 'feature/9002_update_remote_alg_docs' into develop