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.
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.
Add full support for job Arrays in gridka submodule.

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