Restore windows properly after zooming
Merge pull request #147 from zhaocai/master

Export tagbar#currentfile() function
Escape quotes in path filters, closes #150
Make autoshowtag more flexible, closes #152
Add Tagbar command as alias for TagbarToggle, closes #151
Always correctly show sort order
Simplify sort method
Fix for confusing font character example.
Merge pull request #157 from mmcclimon/doc_fontchars

Fix for confusing font character example.
Remove autocmds when not needed, closes #153

When the Tagbar window gets closed and the statusline functionality is
not in use, remove the autocommands to prevent unnecessary ctags calls.
Mention the wiki in the README