Updates Readme about Travis CI node test versions
Updates Readme about Travis CI node test versions

Removes node v0.4.x

pskucherov/node-orm2,kolonse/node-orm2,kolonse/node-orm2,stueynz/node-orm2,ScoutGroup/onionrm,jtrinc/node-orm2,kapouer/node-orm2,hallta/node-orm2,benkitzelman/node-orm2,kapouer/node-orm2,kapouer/node-orm2,benkitzelman/node-orm2,mariamjpinto/node-orm2,dresende/node-orm2,benkitzelman/node-orm2,locomote/node-orm2,kolonse/node-orm2