[beeswax] Install Hive and Impala sample on a non local host

Manage Impala uploads in case impersonation if off.
HUE-2002 [search] Do not break the editor when bad field value or name
[metastore] tests should be aware of database fallback to 'default'
HUE-1995 [hbase] Column familly filtering is broken

HBase API seems to have changed. Strip colons for now.
HUE-1985 [beeswax] Better save query to a file UX
HUE-2006 [hbase] UX bug fixes for HBase 0.98

- Need to wait for clusters to be loaded before checking if cluster
  is available.
- Missing icons are now fa-compress and fa-expand.
- Empty query is because routiejs doesn't undertand empty parameters.
- Added new deselectAllVisible method.
- Make columnQuery dynamically filter row columns by updating
  the row view models searchQuery member.
[pig] Support HCatalog transparently

Fix 500 error in Job Browser when the attemps of past jobs are gone.
[core] Hide the navigation bar on the login page
[core] Fix doc model syncing missing some empty objects
HUE-2005 [core] "Did you know?" box blocks form on login page

Added path test on jHueTour plugin
[core] Pluggable auditing logger

Provides a cleaner way to log requests to Hue.

e.g. of events:
{"1393901417":
 {"status": 200, "impersonator": null, "service": "useradmin", "url": "/useradmin/",
  "user": "test", "ip_address": "127.0.0.1", "authorization_failure": false},
"1393901418":
 {"status": 200, "impersonator": null, "service": "useradmin", "url": "/beeswax/",
  "user": "test2", "ip_address": "127.0.0.2", "authorization_failure": false}
}

Config:
  # The directory where to store the auditing logs. Auditing is disable if the value is empty.
  # e.g. /var/log/hue/audit.log
  ## audit_event_log_dir=

  # Size in KB/MB/GB for audit log to rollover.
  ## audit_log_max_file_size=100MB
HUE-1624 [hbase] Configurable write permissions

Add write switch.
Remove Bulk upload, new row, add column, and edit cell when canWrite is false.
Also remove add table functionality when canWrite is false.
[hbase] Change initialization to allow for callbacks from clusters

Load list of clusters then initialize the app
HUE-2007 [pig] The script is blank when loading from the dashboard section
[pig] Logs can be missing with Yarn

So one of the pig problem is that because yarn logs disappear before re-appearing in History Server after a few s and we poll every 1s

Bumping the refresh time to 0.5 instead of 1s seems to solve the problem until Yarn improves or we put a smarter solution.

I tried to keep pooling until 10s in order to get the last part of the logs from the HS but then it bugs if the user runs the script in the meantime!
    $(document).on("stopLogsRefresh", function () {
      window.setTimeout(function () {
        window.clearInterval(logsRefreshInterval);
        $.jHueTitleUpdater.reset();
      }, 10000);
    });
HUE-1978 [beeswax] Cancel whole multi query execution
HUE-1918 [core] Login page should accept longer password
Merge remote-tracking branch 'remotes/origin/testing' into testing