Removed all instances of target="_blank" from anchors.
Updated ajax-replace references to mega menu demo includes.
Merge pull request #20 from EricDunsworth/v3.0-ajax-replace

Updated ajax-replace references to mega menu demo includes.
Merge pull request #19 from EricDunsworth/v3.0-target

Removed all instances of target="_blank" from anchors.
Merge pull request #18 from EricDunsworth/v3.0-readme

Update README.md
Initial v4.0 code
Added README
Merged conflict