Merge pull request #9 from tproc12/master

Fix return string problem from qstat in e18 module.
Cosmetics.

Remove an unnecessary check if stderr is None, as runCommand returns an empty
string if stderr is empty.
Merge pull request #10 from legordian/master

Cosmetics.
Fix issue #6.

Fix issue #6 by checking the job name for special characters on the top level
and removing all code handling such cases from the submodules.
Merge pull request #11 from legordian/whitespaceInJobnames

Fix issue #6.
Implement submit array jobs.

Implement submit array jobs in main batchelor class. It is independent
of the classic submitJobs command. Currently the jobName parameter has
to be specified.
Add full support for job Arrays in E18 submodule.

Add return value list(tuple) to getListOfActiveJobs and add support
for this list throughout the module. Rewrite getListOfActiveJobs.
Add full support for job Arrays in lxplus submodule.

Add return value list(tuple) to getListOfActiveJobs and add support
for this list throughout the module.