remove .vimrc symlink
move settings from .gvimrc to .vimrc
add .gvimrc with comments reading file usage
update docs to reflect move to using both .vimrc and .gvimrc thought currently all settings are moved into .vimrc
update symlink creation to work when in other directories
Merge pull request #21 from salcode/move-to-vimrc

Move settings from .gvimrc to .vimrc and updating docs to reflect this change.