Find and run analysis_worker.py on Linux
Cast the result of np.cumsum to the same dtype.

Avoids "TypeError: array cannot be safely cast to required type"
when trying to assign np.cumsum(output_count[:-1]) to
coord_offsets[mapper[idx_of_first[1:]]].
Raise exception if directory missing

Raise exception if directory for example images or test images is
missing.
Use -b only if not frozen
Re-raise without argument for debuggability

Re-raising the exception with just "raise" instead of "raise e" so that
the stack trace in the debugger will show where the exception originated
rather than where it was re-raised.
Merge tag 'CellProfiler_2.1.0.Beta_2a' into linux
Don't use transparent tooltip window on linux

The transparent window that covers the input modules in order to show a
tooltip does not work correctly on Linux: there, the window becomes
opaque, and the OnMove events do not work the same, so the transparent
window is not placed correctly. Rather than spend time making it work,
we skip the transparent window on Linux.
/usr/bin/cellprofiler script for Linux
Run headless on Linux if $DISPLAY is not set.
Don't show task bar icon on Linux.

Doesn't work. (Some people report that it has started working in wxPython
2.9.5.)
Merge pull request #946 from CellProfiler/linux

Linux