Merge LDAPPlugin

Signed-off-by: Abhinandan Prateek <aprateek@apache.org>
New LDAP UI

Signed-off-by: Sebastien Goasguen <runseb@gmail.com>
Adding engine/storage/integration-test/test-output to gitignore for Ian
Disable password changing when ldap is enabled

Signed-off-by: Abhinandan Prateek <aprateek@apache.org>
Add Support for member of filter

Signed-off-by: Abhinandan Prateek <aprateek@apache.org>
Add SSL Support

Signed-off-by: Abhinandan Prateek <aprateek@apache.org>
General cleanup, source formatting, remove whitespace

Signed-off-by: Abhinandan Prateek <aprateek@apache.org>
Update unit tests, add filter to list all users, update ssl

Signed-off-by: Abhinandan Prateek <aprateek@apache.org>
Update documentation for LDAP authentication
Bring up to date with master
Prep for merge with master
Cloudstack-2014 [GSoC] Add support for ldap user provisioning