Changed default controller settings for g2core

[breiler]

Made g2core command length longer and disabled it by default. Also made the options dialog activate the selected controller in the settings by default.

Addresses the issue #1577

[codecov-commenter]

Codecov Report

Merging #1784 (5c2dcac) into master (d0c926f) will decrease coverage by 0.00%.
The diff coverage is 0.00%.

@@             Coverage Diff              @@
##             master    #1784      +/-   ##
============================================
- Coverage     18.86%   18.86%   -0.01%     
  Complexity     1892     1892              
============================================
  Files           671      671              
  Lines         28141    28145       +4     
  Branches       2304     2304              
============================================
  Hits           5309     5309              
- Misses        22383    22387       +4     
  Partials        449      449              

Impacted Files	Coverage Δ
...ments/panels/ControllerProcessorSettingsPanel.java	0.00% <0.00%> (ø)
...gs/nbp/core/options/ControllerPanelController.java	0.00% <ø> (ø)

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