[core] Print log time to the same timezone set in hue.ini

Removing the +0000 that means GMT as we already print according
to the current time set in hue.ini.
[spark] Locales fail to compile because of some missing placeholders
HUE-1883 [beeswax] Query with expired result will break the editor

Add Javascript to handle the errors.
Also expire queries.
[beeswax] Send watch status when no error

Cleaned up error reporting a bit
HUE-1896 [beeswax] Query logs are queing up
HUE-1892 [oozie] Permission denied for hive-site.xml for Hive action on workflow

Rename hive-site.xml example to hive-config.xml.
Add a note on the editor of Hive action.
Cleaner History page with direct link to dashboard from the editor.
HUE-1784 [oozie] False positive variable when submit from HDFS

Simple variable names like $var were only valid in Hue 2. It was a Hue
thing, Oozie only supports ${var} parameters.
To be more consistent only the curly bracket form is valid, e.g.: ${var}
Merge remote-tracking branch 'remotes/origin/testing' into testing