DMTCP 1.2.0 Released

DMTCP (Distributed MultiThreaded Checkpointing) is a tool to transparently checkpointing the state of an arbitrary group of programs spread across many machines and connected by sockets. It does not modify the user's program or the operating system.

Release Notes:
* This is a semi-major release. DMTCP now supports GNU screen.
* It also fixes some instabilities in checkpointing Matlab under certain environments.
* Numerous bug fixes were implemented as a part of review of DMTCP sub-systems.