Started send data file
updated sendata
added Default config values for metadata server ip and port to bind
Update SendData.py
fix some bugs in SendData
Merge branch 'send_data' of https://github.com/ucsc-hp-group/swift into send_data

Conflicts:
	swift/common/SendData.py
Merge branch 'master' of https://github.com/ucsc-hp-group/swift into send_data