Verbose flags were separating parameters

Closes #34

See merge request !34

Changed '-dvv db_name' to '-vvd db_name'.

Arbitrary extra arguments for SGE

See merge request !33

Fix jman submit and jman list with --sge-extra-args

Fix resubmits when extra sge args is present

Show help message when jman is run without an argument

Improve docs and error handling

add `--sge-direct-commands` option

update doc

update tools.py
add `sge-direct-commands` opyion for `qsub`

update jman.py
add `sge-direct-commands` opyion for `qsub`

update doc:
add example for `sge-direct-commands` option

update doc

update doc

update doc

update doc

add 'gridtk.sge.direct.commands.prepend'

update `--sge-extra-flags`

doc: update `--sge-extra-flags`

SGE extra commands

See merge request !32

Adding parser, sge_extra_command, for sge_extra_flags in qsub()

Fix #33

Closes #33

See merge request !31

Refresh the status of jobs from SGE before listing them

See merge request !30

Automatically remove G from memory commands in GPU queues

See merge request !29

Add a helper function to easily slice into a list in array jobs

See merge request !28

Automatic injection of bob.extension.rc to jinja variables

Closes #31

See merge request !27

Do not automatically remove G from the GPU memory requirements

Closes #30

See merge request !26