Fixes several internationalization mistakes, Gallery issues, Thingy issues, and some small issues with the new Account system.

Gotchas:

   * Due to an error during the 7.6.6 development cycle, an Itransact template,
     for displaying the credentials screen, needs to be reimported.  Any changes
     that you have made to this module will be lost, so please make a back up
     of this template.

Changelog:

 - added #!/usr/bin/env perl to all utility scripts
 - Updated captcha images to be more legible.
 - fixed #9285: modifing template prevents edit of syncontent
 - fixed #8886: Search button in Asset manager
 - fixed #9410: Wrong help text
 - fixed #9154: WebGUI Shop - Checkout Caching Problem
 - fixed a bug where clicking the apply button when func=add would return the
   edit screen of the parent asset rather than that of the new asset. (Martin
   Kamerbeek / Oqapi).
 - fixed: Make sure that Form subclasses are found by WebGUI::Form::FieldType
 - fixed #9356: Data Form Mail Fields
 - fixed #9365: Account: when viewing another person's contribution, it displays my name
 - fixed #9351: Cannot translate phrase
 - fixed #9368: Gallery: All children included into navigation
 - fixed #9349: CS archival broken after update (Bernd Kalbfuß-Zimmermann)
 - fixed Display of Interval form control in Thingy and User profiling did not show units, only seconds.
 - fixed #9374: Subscription Asset: Redeem subscription template not documented, or user selectable
 - fixed #9366: Gallery: Missing i18n
 - fixed #9367: Gallery: Errors in templates
 - fixed #9352: Account activation message MIA
 - fixed #9046: Wiki tabs all combined (David Delikat)
 - refixed #9147: Misspellings in Account
 - fixed #9348: Required Upgrade Step Not Documented - 7.6.0
 - fixed #8993: Gallery Image Details Overlap Image
 - fixed #9380: CoolMenus template - invalid markup affecting page layouts
 - fixed #9387: Asset Manager breaks navigating into a Gallery Album
 - fixed #9001: Thingy add image broken
 - fixed #9386: Gallery: "Image resolutions" issue
 - fixed #9342: Thingy - Cannot edit a thing
 - fixed #9033: Deleting Linked Thing Field Crashes Thingy
 - fixed #9400: Form.captcha should be form_capcha in dataform help
 - fixed #9402: i18n confusion
 - fixed #9403: i18n survey
 - fixed: Syndicated Content corrupts wide characters