Updated User Administration - Added user edit password/remove functionality.

Signed-off-by: ohanetz <o.hanetz@gmail.com>
Merge branch 'master' of https://github.com/alexkoltun/logmind
Fixed authorization initialization in ElasticSearch - now configuration is being created if it doesn't exist, and defaults are only generated if missing, and not being recreated each time from scratch.

Signed-off-by: ohanetz <o.hanetz@gmail.com>
Updated user management - added user password/group editing ability.

Signed-off-by: ohanetz <o.hanetz@gmail.com>
Merge branch 'master' of https://github.com/alexkoltun/logmind
Added add user functionality - now can create, edit and delete users.

Signed-off-by: ohanetz <o.hanetz@gmail.com>