Fixed wrong order of "other" category collapssing in publisher

[iLLiCiTiT]

Issue

Other group is collapsed with integrators

Changes

Changed group collapsing logic

Resolves: #431

[hound]

Some files could not be reviewed due to errors:

./pype/tools/pyblish_pype/model.py:965:34: B008: Do not perform function call...

./pype/tools/pyblish_pype/model.py:965:34: B008: Do not perform function calls in argument defaults.  The call is performed only once at function definition time. All calls to your function will reuse the result of that definition-time function call.  If this is intended, assign the function call to a module-level variable and use that variable as a default value.
./pype/tools/pyblish_pype/model.py:969:31: B008: Do not perform function calls in argument defaults.  The call is performed only once at function definition time. All calls to your function will reuse the result of that definition-time function call.  If this is intended, assign the function call to a module-level variable and use that variable as a default value.
./pype/tools/pyblish_pype/model.py:994:41: B008: Do not perform function calls in argument defaults.  The call is performed only once at function definition time. All calls to your function will reuse the result of that definition-time function call.  If this is intended, assign the function call to a module-level variable and use that variable as a default value.