HUE-4209 [editor] Fix Regex for deleting SQL comments

(cherry picked from commit cd345bd)

Branching for 5.7.1 on Tue May 10 10:56:40 PDT 2016

JOB_NAME : 'Cut-Release-Branches'
BUILD_NUMBER : '328'
CODE_BRANCH : ''
OLD_CDH_BRANCH : 'cdh5_5.7.x'

Pushed to remote origin	git@github.sf.cloudera.com:CDH/hue.git (push)

Branching for 5.6.1 on Tue Apr 26 12:20:05 PDT 2016

JOB_NAME : 'Cut-Release-Branches'
BUILD_NUMBER : '314'
CODE_BRANCH : ''
OLD_CDH_BRANCH : 'cdh5_5.6.x'

Pushed to remote origin	git@github.sf.cloudera.com:CDH/hue.git (push)

CLOUDERA_BUILD: Remove release_info.sh

[all] Replace gethue.tumblr.com links with gethue.com links

HUE-3435 [oozie] Do not break the history when passed workflows have …

…some credentials

Branch for CDH5.4.10

[desktop] Support importing search dashboard format from Hue 3.7

Some old documents are creating a KeyError: 'collection'