Add some security console commands
Add dep for riak_auth_mods
Add riak_auth_mods to reltool
Add USAGE and print-user command
Merge branch 'develop' into adt-security to fix rel generation

Conflicts:
	rebar.config
Add more help text for security commands
Correct security parameter checking
Merge pull request #386 from basho/adt-security

Security console commands and dependencies