Added submission scripts (Torque, SGE, Slurm, gpu, ssh) 

Here are some of my job submission scripts, submitted via pull request :)  Dinesh, feel free to take a look.

> We will be happy to help with the submission scripts. It would be great if you can send a GitHub pull request. If not, just attach it here.
> Dinesh.

Some of the environment variables are for personal use.  I've also found certain things to be helpful e.g. making a subdirectory under $USER-workers.