use w3c gradient definition
add row backgrounds in normal mode
add schema version 177 upgrade scripts
do not color predominantly white/black rows
Merge pull request #156 from Menti/master

Updated Spanish translation
try to improve color guessing algorithm a bit
Merge branch 'master' of github.com:gothfox/Tiny-Tiny-RSS
remove hsl stuff from classes/feeds, we take care of this when choosing the color
make gradient less visible on read headlines
properly remove and replace favicon color when favicon gets manually removed/uploaded
use hashed guids in a hopefully backwards compatible fashion
Polish translation update.
Merge pull request #157 from sq5gvm/master

Updated polish (pl_PL) translation
format_article_labels: bail out if passed something other than array
Merge branch 'master' of github.com:gothfox/Tiny-Tiny-RSS
remove js-based player, better mp3 support detection for html5 audio
mail plugin: fix blank From: header
unify SMTP_HOST and SMTP_PORT as SMTP_SERVER
add SPHINX_SERVER
ttrssMailer: fix typo