rewind_offset
Merge pull request #42 from mahkoh/rewind

This is a backward incompatible change — but this is the way iPod works (although with a `rewind_offset` of 3 seconds) and people, me included, generally find useful. Let's try it out.
Added 'Night' colorscheme
Fix crashes caused by a9ad5ee494221b5ba4b59527e4c3535527a23eac

For some reason, I've merged referenced commit without actually testing it.
Sorry.

Signed-off-by: Gregory Petrosyan <gregory.petrosyan@gmail.com>
fetch implement spawn replacement that returns it\'s output
added a read_all that actually reads ALL data available
beginnings of the lyrics view
actually compile the lyrics
fetch had a minor error resulting in a warning
add a global option for the lyric fetch command
make lyrics_fetch callable
add it to the default config
fixed minor cast warning
add a lyrics context for good measure
cosmetic correction
major segfault fixed in really_read_all
add lyrics view
fetch remove debugs and give better output
fix mem leaks
remove debugging statements