Merge pull request #33 from nekohayo/master

Correct autosizing images
Limit auto-scaling images to content only (Github #27).
Adding Travis build test.
Updated README about github project hosting.
Make Travis run autogen.sh
Renaming README
Changelog for README rename.
Converted README to Markdown syntax. Removed some rarely used stuff.
Missing intltool
Added screenshot and Travis build status badge
Merge branch 'master' of https://github.com/lwindolf/liferea
Fix webkit dependency for Travis
Autosize HTML5 videos to fit the available width when they are too big