[vim] Reset lastHPos tracking on click
[vim] Merge cursorActivity handlers + cleanup
[vim] Implement aB, iB, ab and ib text objects.
[vim] Delete unnecessary aB/iB/ab/ib tests
[vim] Fixed append to register feature.
[show-hint addon] Add an origin string to completion changes

Issue #2406
Fix file dropping

Wrap FileReader.onload in operation.
[vim] Partial fix for . in visual mode
[vim] Clean up visual mode . fix a bit, fix linewise
Merge branch 'master' of https://github.com/marijnh/CodeMirror