fixed vagrant boostrap script. missed libssl

Ignore-this: 7bd0b464bffd6c29fd475765887db147

darcs-hash:20140819064006-c21fe-1bedc2ac7ae8b2cea2276897c23518c2298281bc
changed all REAMEs to markdown

Ignore-this: ecc8b4ff870d3d367de14c20d8a75871

Why? Prettier github display.

darcs-hash:20140819070246-c21fe-7e1461728ee63babcba71f9270de817aa4e1b76c