Add Arch dependency instructions to README.md

Also accidentally clear trailing whitespace in README. vim autocommands ftw.
include a copy of the Vim License
Merge pull request #35 from thiderman/master

Add Arch dependency instructions to README.md.
Cleanup refactoring in main
README.md: link to the Contributing wiki page
Remove trailing spaces from gitignore
Added automake as a dependency when building on OS X. Otherwise build complaints of missing aclocal.
Merge pull request #47 from Coornail/ignore-test-vimrcs

Remove trailing spaces from gitignore
Add travis-ci configuration
Merge pull request #22 from cmrosenberg/osx-automake

Added automake as build dependency on OS X
First pass on getting build working on FreeBSD.
Clean up main.c:parse_command_name
Fixed travis image
Merge pull request #57 from mrshu/patch-1

Fixed travis image
README.md: fix ubuntu/debian deps
Merge pull request #54 from mitchellwrosen/master

Clean up main.c:parse_command_name
Adding neovim formula for Homebrew
Adding `make` step
Updating README file to use Homebrew for local builds
Issue #97 - Add documentation on installing root SSL certificates on OS X, which is required for retrieving the libuv archive before building.