Thrift Http implementation
Adding demo client
Revert "Thrift Http implementation"

This reverts commit 1cf852119116a47254c2ce10c1ff8e4a46900163.
Revert "Adding demo client"

This reverts commit 77a7925c32be8e0882ded8d3fc254af84e533af3.
HBASE-12640 Add Thrift-over-HTTPS and doAs support for Thrift Server
HBASE-12704 Add demo client which uses doAs functionality on Thrift-over-HTTPS