allow for fully custom autocomplete selectors
Update links in README
Added some validation scaffolding, to be expanded later; should help with issues like #36
Improve tokenless autocompletion; fixes #38
Replace jquery.caretposition with component/textarea-caret-position, fix #16

* no longer depending on jquery-migrate
* IE9+ required. IE8 support will be added only if requested.
Cosmetic changes to the demo

* set Meteor release back to 0.8.0 because Windows folks may not have 0.8.1.1
* use single quotes consistently
* Minimongo was patched for the $regex issue (https://github.com/meteor/meteor/pull/1874) so update README
merge