Log Message:
nvi2: Update to 2.2.0

Changes:

    Vim-style expandtab option (#75, #76, #80)
    Provides Turkish translation (#68)
    Backspace now deletes \ rather than being escaped (#25)
    T during motion commands is now VI-compatible (#35)
    Encoding related fixes, such as UTF-8 detection (#61, #42, #65)
    Fixed a number of memory management issues (#56)