Fixes #2057 (broken internet archive links)
Including internet archive url test in existing test_parse_url function
Adding single quote anchor to parse_url unit test
Add test for = lookbehind
Merge branch 'pr5416' into 1.8
Fixes #5490 log table deletion works now
Fixes #5479 adds group full text index if missing
Refs #5491 temporary fix for bad can_edit_extender() logic
Merge pull request #5499 from cash/group_fulltext_index

Fixes #5479 adds group full text index if missing
adds legacy url plugin
Added support for selecting redirect method
added spacing between radio input and label
added legacy blog urls
Add elgg-grid-gutters. Improve unit duplicate removal.
Merge pull request #5500 from cash/fix_infinite_loop

Refs #5491 temporary fix for bad can_edit_extender() logic
unregistering notifications when running unit tests
coding standard issues in ElggEntity - public methods missing visibility
fixed margin side for gutters and specificity bug
added a warning for IE8 and IE7 for grid with gutters
Merge branch 'pr-5507'