FEATURE: Bulk Invite
BUGFIX: date of the post in the share dialog is now properly bound

CLEANUP: removed all unused handlebars helpers
REFACTOR: removed 'unbound' prefix (for performance reasons, helpers are unbound by default)
REFACTOR: added 'bound' prefix to bound helpers
REFACTOR: renamed helper using 'foo-bar-foo' syntax (instead of camel case)
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Merge pull request #2415 from techAPJ/bulk-invite-users-5

FEATURE: Bulk Invite
Merge pull request #2432 from riking/patch-1

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