Don´t start SHIM if port range = ALL

[tzaeschke]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 90.00000% with 1 line in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
...in/java/org/scion/jpan/internal/LocalTopology.java	0.00%	0 Missing and 1 partial ⚠️

Files with missing lines	Coverage Δ	Complexity Δ
src/main/java/org/scion/jpan/ScionService.java	71.47% <100.00%> (+0.57%)	64.00 <4.00> (+4.00)
src/main/java/org/scion/jpan/internal/Shim.java	73.97% <100.00%> (-1.03%)	17.00 <0.00> (-1.00)
...in/java/org/scion/jpan/internal/LocalTopology.java	82.57% <0.00%> (-0.64%)	26.00 <0.00> (ø)