[core] Improve memory debug view

Add commands on heapy variable:
type.0, type.1, etc.
[core] RemoteUser middleware fixes
HUE-2070 [metastore] Improve guess of numeric data types

Added support for all kinds of ints and doubles too
HUE-2074 [core] Update Knockout to 3.1

Updated minified version
HUE-2087 [beeswax] Job is submitted twice when the Enter key is used for the Execute button

Removed double event handler
HUE-2096 [core] Error on login page are duplicated

Removed duplicates
HUE-2059 [core] Only display history documents in their home section

Make sure that trashed or history documents does not appear in the main list.
We filter them from the mine document list.
Added some tests.
HUE-2039 [beeswax] Remove the need to clone a shared query

A non shared design can't ne seen or modified by someone else without the
write perm.
A shared design can be executed in auto mode and will appear in the history
of the user.
A shared design can be saved as a new design.
Adding tests, refactored a bit the view to remove some logic from the view.
HUE-2058 [oozie] Incomplete save state in workflow editor
[beeswax] Clone copy to a new owner option
HUE-1897 [oozie] Workflow ids have double trailing slashes

Using GET parameters instead.

Same for:
- Bundles
- Coordinators
- Workflow Actions
[core] Stream CSV download and limit XLS download

CSV download can be streamed because that format can be contatenated easily.
Tablib XLS has a max size of 65000 rows, so it must be limited.
Also added a "starting yield" so that downloads start early rather than later.
[sqoop] Not unicode strings in argument expansion

Python 2.6.4 > do not support unicode strings in argument expansion.
HUE-2100 [beeswax] Query with error should not show the cancel button

Fixed query stated
Fixed typos and double CSS class
Set a minimum log size
HUE-2104 [beeswax] Don't truncate space characted values from query results

Replaced with &nbsp;
[metastore] Do not concatenate spaces in cells result
HUE-2109 [core] Use MPL instead of LGPL for certificate bundle
[liboauth] Add a mapping to shorten domain names in usernames
[beeswax] Escape space to HTML spaces in some tests
HUE-2091 [fb] Configurable tempfile.tempdir for local file upload