Refactor specs

 Use fully qualified names

Change-Id: I740742cd1a87ef894c659e84c6b469db487a2f71
Bump eventmachine to 1.0.0

This change is incompatible with ruby 1.9.2
Migration to ruby 1.9.3 is required

Change-Id: Ic806cdbe8ea5c280e59889aca368fba8cf086033