Added member attributes and extended ExecutorService to support execution of tasks based on attributes
Added commandline override for attributes
Fixed bugs due to comments
Merged into latest version
Fixed a client unittest
Fixed member attributed after nio client changes
Added Javadoc on MemberSelector
Renamed acceptTask to select
Merge branch '3.2-member-attributes' of github.com:noctarius/hazelcast
fixed MemberSelector javadoc.
simplified MemberImpl.setAttribute, since value cannot be null.