2.1.0

internal IO refactoring + enchanced replica_read

• Due:Yesterday

• CCBC-217 2013-05-28T17-18 Yesterday 1:54 PM create libcouchbase 2.1.0 docs templates
• CCBC-219 2013-06-07T16-19 Last Tuesday 6:13 PM need to default to the libevent backend or some backend on CentOS 5.8
• CCBC-218 2013-06-05T03-26 05/Jun/13 refactor IO layer for cleanliness, integration and performance