CRM-14208 additional includes for J3.2.1+
CRM-14439 - CRM_Core_Menu - For breadcrumbs, set forceBackend=1

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* CRM-14439: WP demo - Access denied when visiting breadcrumb links from field listing
  https://issues.civicrm.org/jira/browse/CRM-14439
CRM-14439 - CRM_Core_Invoke::rebuildMenuAndCaches - Change order

Currently, CRM_Core_Menu::store() truncates "civicrm_menu" and then refills
it; then, CRM_Core_Config::clearCaches (by-way-of clearDBCache) truncates
"civicrm_menu" without refilling.  This seems pointless.  (For CRM-14439,
this has the effect of producing an empty menu table after running setup.sh
-- so the table is eventually filled at some uncontrolled future point.)

The evident intent of "rebuildMenuAndCaches" is to truncate and then refill
the table, so this patch does that.

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* CRM-14439: WP demo - Access denied when visiting breadcrumb links from field listing
  https://issues.civicrm.org/jira/browse/CRM-14439
CRM-14208 move joomlaBase outside of condition clause
CRM_Utils_System_WordPress::url - Change code-branch for caes "isset($path)&&isset($query)"

In the other usages of $script and $base, there's a decision to use $script XOR $base as the effective
base-URL.  However, in this branch, the values are concatenated to form the effective base-URL -- which
shouldn't produce a valid base-URL.  (Note: In this context, we're evaluating conditons of isset($path) and
isset($query) which should have no bearing on the validity of $script or $base as a base-URL.)
CRM_Utils_System_WordPress::url - Change code-branch for case "!isset($path)&&!isset($query)"
CRM_Utils_System_WordPress::url - Simplify deep if/else/string-concatenation. Fix forceBackend.
CRM-14450 - fix notice on additional participants form.

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* CRM-14450:
  https://issues.civicrm.org/jira/browse/CRM-14450
Merge pull request #2867 from davecivicrm/CRM-14450

CRM-14450 - fix notice on additional participants form.
Merge pull request #2833 from lcdservices/CRM-14208b

CRM-14208 additional includes for J3.2.1+
Merge pull request #2859 from totten/4.4-wp-breadcrumb-forceBackend

CRM-14439 - Fix WP breadcrumbs by setting forceBackend=1 and consistently respecting that option
Merge pull request #2858 from totten/4.4-wp-breadcrumb-cacheclear

CRM-14439 - Fix WP breadcrumbs by forcibly pre-computing them with "wp-admin/admin.php"