Merging/porting some code from 6.x-3.x branch. Removed Google Gadget support, tracking is now per-search-page, each with its own reporting and popular searches block.

Issue #1588906 by cpliakas: Leveraged API functions in the Facet API module to calculate facet usage more reliably.

Issue #1368926 by cpliakas, benys: Resolved conflict with top search prases with no results and Facet API.

Alejandro Garza authored Jun 07, 2012 and Chris Pliakas committed Jun 07, 2012

Issue #1406634 by javier.alejandro.castro, janusman, joericapens: Fixed missing argument passed to apachesolr_has_searched().

Fixed: line charts in report only displayed up to last search and not up to current time; minor clarifications and reordering in settings form; minor edit in README.txt

Removed more warnings; added theming function for popular searches block; fixed some issues with barchart; changed default reporting granularity to minutes; added remove variables and cache on uninstall.

Issue #1004708: by wiifm, janusman: Warning: get_object_vars() expects parameter 1 to be object, null given in apachesolr_stats_exit() on line 172

Fixed line endings in files.

* Rearranged report elements
* Fixed inconsistent value in variable_get()
* Localized Gadget
* Added "all" for report timespan selector

* Fixed non-matching <div> element in Google gadget embed link in report.
* Fixed broken sort reporting.
Lesser stuff:
* Added t() to some strings in report.
* Put the report span in a separate line.
* Moved some of the report elements around.

$report_elements was compared against false instead of empty array. Also, sometimes a string instead of an array was returned.

* other minor edits

* Cleaned up/added documentation.
* Fixed problem in hook_menu() not declaring menu types.
* Generated URLs to Google chart images now properly escaped.