Ask devs to email chapel_admin with clas and commit access requests.

Instead of mailing chapel-developers@, we are now asking people to send admin
requests (i.e. GitHub team access, CLAs) to chapel_admin@cray.com.
Obfuscate email adderss to hopefully avoid spam.

Based on review feedback from @bradcray.
Reducing number of tasks to avoid timeouts
Merge pull request #20 from benharsh/parSafe

Reducing number of tasks to avoid timeouts in parSafeMember test
Merge pull request #19 from thomasvandoren/use-admin-email

Ask devs to email chapel_admin with clas and commit access requests.
Trying out Brad's change
Merge pull request #18 from lydia-duncan/master

Update test/users/bugzilla/bug794131/

Update followed suggested route, so I'm going to merge it myself