Added instructions for initializing boot2docker with enough memory.
Added instructions for initializing boot2docker with enough memory.

Steimel/lumify,RavenB/lumify,j-bernardo/lumify,RavenB/lumify,TeamUDS/lumify,bings/lumify,RavenB/lumify,j-bernardo/lumify,TeamUDS/lumify,j-bernardo/lumify,lumifyio/lumify,lumifyio/lumify,j-bernardo/lumify,dvdnglnd/lumify,TeamUDS/lumify,bings/lumify,lumifyio/lumify,TeamUDS/lumify,bings/lumify,lumifyio/lumify,Steimel/lumify,Steimel/lumify,RavenB/lumify,bings/lumify,RavenB/lumify,dvdnglnd/lumify,dvdnglnd/lumify,dvdnglnd/lumify,Steimel/lumify,j-bernardo/lumify,dvdnglnd/lumify,lumifyio/lumify,TeamUDS/lumify,Steimel/lumify,bings/lumify