quant 6.x-1.1

* Fixed #888426: t() function isn't used properly: Incorrect use of t()
* Fixed #880372: Where should the link to analytics be?: Additional link to analytics page in admin section.
* Fixed foreach error in theme_quant_page().
* Fixed #887948: Theming issues (with patches): Minor theme issues.
* Added support for custom dateranges, instead of fixed time periods.
* Added jQuery datepicker support for dateranges.
* quant_process() takes timestamps, strings, array periods.
* Added charts for Invites sent and accepted (required Invite module).
* Changed module name from "Site quant" to "Quant".
* Fixed #1119444: Warning for OG charting when having multiple content types as Group type.: Quant node-type query to properly exclude group node types.
(by rahulbile)
* Added hook_quants_alter() hook.
* Major code overhaul, organization, cleanup.
* All functions pass quant objects by reference now, additional information
becomes attached.
* Added documentation for patching Chart 6.x-1.3.