added bar-chart icon to stats
uk: allow only authenticated users to access /stats and /data enpoints, do not display random public forms
Merge pull request #29 from onaio/api-updates

do not display random public forms
MB: Added bit deli
MB: removed bit deli.  Need to reformat for .rst
correct url view
Merge remote-tracking branch 'origin/master' into stats_improvements

Conflicts:
	main/templates/published_surveys.html
PLD: remove unused xform parser
PLD: make pep8
Merge pull request #33 from onaio/pld/cleanup-odkviewer-models

Pld/cleanup odkviewer models
PLD: simplify imports, make pep8
PLD: remove unused imports, line breaks, white space
PLD: remove CSVWriter
PLD: line length
Merge pull request #34 from onaio/pld/cleanup-odk-viewer-files

Pld/cleanup odk viewer files
PLD: indentation and linebreaks
PLD: remove reparse files
PLD: remove unused imports, fix spacing
PLD: remove old tags, keep xform_id_string in common_tags
PLD: spacing in fabfile