Add solarized light/dark themes

Requires your terminal to be set to solarized:
https://github.com/altercation/solarized

More info from solarized: http://ethanschoonover.com/solarized

Themes originally based on data/green-mono-88.theme
Merge pull request #92 from losingkeys/solarized

Add solarized light/dark themes
[Themes] License the 'Night' theme under the GPL v2
Merge pull request #93 from pejakm/nthl2

[Themes] License the 'Night' theme under the same license as cmus
Remove two unused variables
Merge pull request #94 from mahkoh/warnings

Remove two unused variables
fixed segmentation fault in status command with http stream
Merge pull request #95 from msoap/master

fixed segmentation fault in status command with http stream
update help view after :bind
reload playlist with :win-update
Fix worker race condition in main loop

There is a race condition in the main loop where a job finishes after
`update` is called but before `worker_has_job` is called. For example:
`:load` in the playlist view sometimes leaves the user with an empty
playlist.

This can be fixed by calling `worker_has_job` before `update` but then the
user has to wait up to 250ms for the results to show up. Instead we add a
new function `ui_curses_notify` that can be called any time and causes the
main loop to wake up. This function is called in `free_add_job`.
update docs: <C-C> can be used to exit command mode
Merge pull request #96 from mahkoh/update_playlist

Fix worker race condition in main loop
Merge pull request #97 from mahkoh/docs

update docs: <C-C> can be used to exit command mode
Fix 7h maximal mp3 runtime

7h = 25200 seconds
buffer_second_size = 176400
25200 * 176400 = 4445280000 > UINT32_MAX
Merge pull request #99 from mahkoh/mp3

Fix 7h maximal mp3 runtime
Added path for modplug header file
Merge pull request #102 from edran/modplug

Added path of modplug.h to avoid compilation issues on Debian and its derivatives
stop remote streams on pause
Merge pull request #107 from fishman/stop_remote_instead_of_pause

stop remote streams on pause