some of the additional tools don't close completly

[Reimar Bauer]

System is loading..
GLib-GIO-Message: Using the 'memory' GSettings backend.  Your settings will not be saved or shared with other applications.
Traceback (most recent call last):
  File "/home/mss/miniconda2/envs/mssdev/lib/python2.7/site-packages/mslib/msui/mss_pyui.py", line 438, in activateWindow
    item.window.showNormal()
RuntimeError: wrapped C/C++ object of type MSSTrajectoriesToolWindow has been deleted
Traceback (most recent call last):
  File "/home/mss/miniconda2/envs/mssdev/lib/python2.7/site-packages/mslib/msui/mss_pyui.py", line 438, in activateWindow
    item.window.showNormal()
RuntimeError: wrapped C/C++ object of type MSSTrajectoriesToolWindow has been deleted

[Reimar Bauer]

Trajectory Tool window now removes itself from the open-tool-list when closed.

Resolve issue #139

→ <<cset a8f67d3319a7>>