Add localizations for subject sources
Merge pull request #245 from anarchivist/source_translations

Add localizations for subject sources
Turned the remaining static enums into dynamic ones.
Fix up the unit tests for the new container type definition.
Merge pull request #246 from hudmol/missing-dynamic-enums

Turned the remaining static enums into dynamic ones.
Add ability to display a tooltip by setting an corresponding '_tooltip' locale entry for a given property
Add ability to assign a field placeholder by providing a '_placeholder' definition in the locale file
Set JSON backend explicitly (CVE-2013-0333)
Fix group.permission_types.delete_archival_record translation
Fix tooltip not being initialised for labels on newly added subrecord forms
Remove resource tooltip for title
Change translations for some of the group-related permissions
Add tooltips for accessions
Merge pull request #250 from anarchivist/tooltips-from-i18n

Add tooltips for accessions
Align tooltip text to the left
Merge pull request #247 from anarchivist/fix-delete-translation

Fix group.permission_types.delete_archival_record translation
Merge pull request #248 from hudmol/tooltips-from-i18n

[Delivers #35775219] Generate tooltips for field labels from i18n
Trigger help tooltips manually to allow for either hover or click invocation.. click sticks and offers a close action; hover will close upon mouseleave event;
Merge pull request #251 from hudmol/tooltips-from-i18n-take-2

Tweak help tooltips to be sticky if clicked
Clean up custom tooltip javascript and add a selenium test for tooltip help