HUE-1991 [search] Add more sample data

Sample data for index and offline for the 3 collections
Add 1 000 000 to all the ids in the fixtures.
Just a fixed range date facets for speeding up.
HUE-1997 [core] Long dropdown menu items go outside the menu area

Added padding
HUE-1998 [search] Improve demo collection message display

Removed jumpiness and updated link
HUE-1999 [beeswax] Update multi query separation algorithm

Updated according to the py counterpart
Updated code style
[metastore] Ensure database exists before creating a table
HUE-1973 [core] django-openid-auth mysql issue

Change django-auth-ldap model.
There are no migrations, so this may break some upgrade paths.
[hbase] Use absolute root path for pointing to the example data
HUE-1701 [beeswax] Better save query to a file UX

Added a new URL change_pass and new mako for change_pass.  Added paramater:

[desktop]
[[oauth]]
change_default_password=true

When enabled, if it's the user's first login and the AllowFirstUserDjangoBackend is enabled, then user's are re-directed to change_pass.  once they change they're password, they are redirected to Home.
HUE-1071 [core] Option to require users to change their password when they first login

- Add tests
- Reuse UserChangeForm
- Add relaxed time constraint on "first_login" check