ckan clean db added
added scripts to add/remove user and toggle sysadmin status
added scripts to add/remove user and toggle sysadmin status
tweak 1
exec flag set on scripts
user del issue fixed
user del added text
Merge pull request #20 from OCHA-DAP/ckan-users-manipulation

Ckan users manipulation & more.
closes #5, #6, #7, #8, #9, #10, #11, #14, #15