#954728 by EclipseGc: Update node template page function name to not collide with new hook_node_view().

#922442 by EugenMayer, neclimdul and voxpelli: Make sure ctools_include can handle '' or NULL directory.

     Conflicts:
         CHANGELOG.txt
         css/modal.css
         ctools.module
         ctools_plugin_example/plugins/access/arg_length.inc
         ctools_plugin_example/plugins/access/example_role.inc
         help/export.html
         includes/ajax.inc
         includes/cleanstring.inc
         includes/content.inc
         includes/content.menu.inc
         includes/context-task-handler.inc
         includes/context.inc
         includes/context.theme.inc
         includes/css.inc
         includes/export.inc
         includes/modal.inc
         includes/object-cache.inc
         includes/plugins.inc
         includes/wizard.inc
         js/ajax-responder.js
         js/collapsible-div.js
         js/dependent.js
         js/dimensions.js
         js/mc.js
         js/modal.js
         page_manager/page_manager.admin.inc
         page_manager/page_manager.module
         page_manager/plugins/tasks/page.inc
         page_manager/plugins/tasks/search.inc
         page_manager/plugins/tasks/user_view.inc
         plugins/access/context_exists.inc
         plugins/access/node_language.inc
         plugins/access/perm.inc
         plugins/access/php.inc
         plugins/access/role.inc
         plugins/access/site_language.inc
         plugins/access/term.inc
         plugins/access/term_vocabulary.inc
         plugins/content_types/block/block.inc
         plugins/content_types/custom/custom.inc
         plugins/content_types/node/node.inc
         plugins/content_types/node_context/node_comment_form.inc
         plugins/content_types/node_context/node_comments.inc
         plugins/content_types/node_context/node_content.inc
         plugins/content_types/page/page_breadcrumb.inc
         plugins/content_types/page/page_footer_message.inc
         plugins/content_types/page/page_help.inc
         plugins/content_types/page/page_messages.inc
         plugins/content_types/page/page_mission.inc
         plugins/content_types/page/page_slogan.inc
         plugins/content_types/page/page_tabs.inc
         plugins/content_types/page/page_title.inc
         plugins/content_types/search/search_result.inc
         plugins/contexts/node_edit_form.inc
         plugins/contexts/term.inc
         plugins/contexts/terms.inc
         plugins/contexts/user.inc
         plugins/relationships/book_parent.inc
         views_content/plugins/content_types/views.inc
         views_content/plugins/content_types/views_panes.inc
         views_content/views_content.module

#604976: Prevent Page Manager from throwing errors when no modules that provide variants are available.

#639548: export.inc cache was not properly respected when loading individual items, leading to multiple redundant queries.

#654218 by Roi Danton: Improve documentation of dependent.inc to talk about annoyances with checkboxes, radios and fieldsets.

#661332 by yhahn: Allow export.inc to export stdClass objects by exporting them as an array and casting them to an object.

#630982 by Roi Danton: Dependent javascript failed to work properly if radios being depended on had no value at all.

#651852 by coreyp_1: Add caching to content subtypes to save some queries. This means developers will need to clear caches when changing content type code.

Added support for context keyword substitutions on override paths in content panes provided by views_content.