Added search functionality
made canSearch support observability
made searchColumns a computed, so that it can update with canSearch
made showSearchbox a computed, same reason
moved search filtering out of sorting into a new filteredRows computed
removed bootstrap styles from table html
moved search box into the table head
added data-part of search row in table head
added style to grid.css for search to move it to the right
update release folder
Merge pull request #2 from tyrsius/pr/1

Pr/1