HUE-2013 [metastore] Write permission instead of read permission

Remove read permission in a data migration.
[core] Update configuration check path color

Changed from red to Hue blue
[useradmin] Hide LDAP sync buttons when LDAP is not configured
HUE-1884 [core] Limit number of history documents
HUE-1884 [core] Split tag view in shared and not shared ones

Split into My Projects and Shared with me on the UI
Added 'Shared by' on shared tags
[hbase] A couple of bug fixes
[core] Fix several broken and hanging tests

Fix metastore tests that were out of sync
Disable dynamic fields
Change port of Oozie test server has it is conflicting with Spark master.
Move config_validator dependencies into the function to avoid conflicts.
HUE-2018 [metastore] Add column position to table view

Adding js to jump to the particular column
Front end testing
[core] Make the tours modal escape-able by escape key
HUE-2022 [core] Add login button to top bar when not authenticated
[search] Add double and tdouble to range facets
[doc] Update screenshot and app descriptions
HUE-1298 [impala] Multiple Impalad support

Made the DBMS.get method a factory that reuses instances on a per user per interface basis.
Impala sessions close when connectivity is lost.
Load balancing multiple impalad's with a persistent connection
enables Hue to communicate with the same impalad for as long as Hue is running
and the connection is alive.
Merge remote-tracking branch 'remotes/origin/remote-django-user' into remote-django-user