settings: remove rarely used aliases h, s, t


git-svn-id: https://subversion.assembla.com/svn/magicant/settings@321 9a5e03f8-c55e-0410-a490-9d27d325e308
settings: add tab switching keybind in vimrc

git-svn-id: https://subversion.assembla.com/svn/magicant/settings@322 9a5e03f8-c55e-0410-a490-9d27d325e308
settings: add words to Vim spelling dictionary

git-svn-id: https://subversion.assembla.com/svn/magicant/settings@323 9a5e03f8-c55e-0410-a490-9d27d325e308
settings: make match bold in git grep

git-svn-id: https://subversion.assembla.com/svn/magicant/settings@324 9a5e03f8-c55e-0410-a490-9d27d325e308