Check if maps exists before making them.

 Using !hasmapto('<Plug>...') in maps, in this way if the user defined
 a map to the specific <Plug>... it will not be created.
Merge pull request #40 from coot/master

Using !hasmapto while defining maps
v0.1.2
Ignore generated tags

When using a bundled setup with pathogen, helptags are usually
auto-generated. This is particularly annoying with submodules.
Merge pull request #42 from mgirouard/master

Ignore generated helptags
Fixed conflict and such

Merge remote-tracking branch 'upstream/master'

Conflicts:
	plugin/dwm.vim