Rename RemoteZipManager class file name
Fix date time formatting issue (mm for minutes instead of MM)
Add add and remove apis for WebJobs (continuous and triggered).
Added option to add a job using a zip file or a regular script file which will be copied to the right place.
On error we'll remove any left overs and return the error message.
Remove api will remove both the job binaries and data.
Fixes #957.