[vim] Minimize visual cruft in gvim
[vim] Simplify typing some special chars in ReST syntax
[vim] Add abbreviations for admonitions in ReST
[vim] Enable 'spell' by default for ReST files
[git] Add 'fpush' alias
[git] Add 'rba', 'rbc', and 'rbi' aliases for rebasing
[git] Add 'igrep', 'fgrep', and 'figrep' aliases
[git] Add 'stashk' and 'stashp' aliases