HUE-1873 [beeswax] Result data not HTML encoded

Metastore sample date tab is fine.
HUE-1878 [rdbms] Query with error break the editor
HUE-1871 [beeswax] Auto queries should not modify the query cookied
HUE-1852 [oozie] Encoding issue in job description included in workflows

Tested witrh French and Korean
HUE-1875 [beeswax] Friendler UX when missing query property

Hard coded empty query error message.
Better messages sent by execute api if there is an error with the query.
HUE-1302 [oozie] Optimize dashboards API calls for a single coordinator

Display a maximum of 20 pages of logs for Workflow, Coordinator and Bundles.
Display a maxium of 250 coordinator actions.
Possibility to display all the coordinator actions by ckicking on a button.
Refresh times increased to 20s for Coordinators and Bundles
HUE-1776 [metastore] Support extended Unicode delimiter

Removing 255-possibility delimiter limit.
HUE-1876 [beeswax] Can't save result into an HDFS directory
[impala] Close the correct query history id
HUE-1880 [beeswax] Multi query result opened shows twice the data
HUE-1881 [impala] Close query on unload page
HUE-1879 [oozie] Edit a java action twice is broken

toJS method should not modify "files" attribute in a node.
[pig] Use correct autocomplete view
[core] Remove old shell logging
[core] Doc model

Move API to /desktop/api to unify and simplify permissions
Merge remote-tracking branch 'remotes/origin/testing' into testing