initial implementation of recyclerview
switch to cardview, remove obsolete drawables
Merge branch 'master' of github.com:gothfox/Tiny-Tiny-RSS-for-Honeycomb
Revert "initial implementation of recyclerview"

This reverts commit 7783ff3b42551dd54d2e12667a48cc633b4acc20.

Conflicts:

	org.fox.ttrss/src/main/res/layout/headlines_fragment.xml
add cardview library, compile with sdk 21