Changed datasource pool name in README to avoid conflict with jboss7 datasource example
Fixed SQL error caused by SchemaFixer in errai-jpa-demo-todo-list

Some SQL schemas do not store column names in lower case. This caused
SchemaFixer to incorrectly attempt to add a duplicate column causing a
failure to deploy via jboss.
Fixed NullPointerException ocurring in dev mode of the grocery demo
Added README for errai jaxrs demo
Excluded google-collect from classpath to prevent compilation conflict with guava
Added README for errai-cdi-demo-mobile