Escaped wildcards in autograding command lines (#1433)
Escaped wildcards in autograding command lines (#1433)

* not sure why.... but need to parser alternate timezone format

* small fixes

* checkout the correct version of the repo for autograding

* small text tweaks

* allow specification of subdirectory of repository

* equal space-ing

* dont expand escaped wildcards in the command

RCOS-Grading-Server/HWserver,RCOS-Grading-Server/HWserver,RCOS-Grading-Server/HWserver,RCOS-Grading-Server/HWserver,Submitty/Submitty,Submitty/Submitty,RCOS-Grading-Server/HWserver,RCOS-Grading-Server/HWserver,Submitty/Submitty,RCOS-Grading-Server/HWserver,Submitty/Submitty,Submitty/Submitty,Submitty/Submitty,Submitty/Submitty,Submitty/Submitty,Submitty/Submitty,RCOS-Grading-Server/HWserver,RCOS-Grading-Server/HWserver