Add manual selection mode 'm'

[jonashaag]

brew rmtree octave
==> Examining installed formulae required by octave...

Can safely be removed
----------------------
 1 arpack
 2 epstool
 3 fftw
 4 ghostscript
 5 gl2ps
 6 glpk
 7 gnu-sed
 8 graphicsmagick
 9 hdf5
10 imagemagick
11 jbig2dec
12 little-cms2
13 plotutils
14 pstoedit
15 qhull
16 qrupdate
17 suite-sparse421
Remove these packages? ('m' for manual selection) [y/m/N]: m
Enter space-separated list of indices of packages to remove: 1 2 3 5 6 8 9 11 12 13 14 15 16 17
==> Cleaning up 14 packages safe to remove
[...]

[beeftornado]

Neat idea. I'll take a look. Thanks

[jonashaag]

Bump :)