Refs #4269. Using ElggBatch to delete annotations / metadata again.
caching language data
implemented the clear method of the file cache
plugins use language cache and cache is cleared properly
not loading language files a second time when session initialized
Fixes #4081. Using ElggBatch to delete recursive.
Refs #4081. Correctly calling setIncrementOffset(false) for deleting entities using ElggBatch.
Fixes #1808 using correct message function in profile actions
Fixes #3509 added documentation to menu system about confirm links
Fixes #3651 fixed documentation of disable db cache setting and updated wiki
Fixes #4309 added language string
Fixes #2646 mention ELGG_ENTITIES_NO_VALUE in elgg_get_entities() documentation
Fixes #4329 removed old recursive delete permissions override
fixed typo in docs
replaced deprecated function call in the wire plugin
Refs #4180 was caching extensions which was causing double extensions
added language strings to installer for refresh and next
fixed typo in plugin code
Fixes #4342 updated the installer based on boot reorg - no longer need caching code in installer
Refs #4324 installer checks for absolute path