Prepare for Simplified Chinese support

[lupino3]

These changes should make merging #772 possible, by using logical font names and specifying the encoding of source files.

This also fixes the names of some test methods that were triggering Codacy errors.

[codecov-commenter]

Codecov Report

Merging #776 (9ead5ef) into master (9cdb265) will not change coverage.
Report is 1 commits behind head on master.
The diff coverage is 0.00%.

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Additional details and impacted files

@@            Coverage Diff            @@
##             master     #776   +/-   ##
=========================================
  Coverage     51.14%   51.14%           
  Complexity     1447     1447           
=========================================
  Files           249      249           
  Lines          9879     9879           
  Branches       1092     1092           
=========================================
  Hits           5053     5053           
  Misses         4507     4507           
  Partials        319      319           

Files Changed	Coverage Δ
.../main/java/org/edumips64/ui/swing/ErrorDialog.java	0.00% <0.00%> (ø)
src/main/java/org/edumips64/ui/swing/GUIAbout.java	0.00% <0.00%> (ø)
...rc/main/java/org/edumips64/ui/swing/GUICycles.java	0.00% <0.00%> (ø)
.../main/java/org/edumips64/ui/swing/GUIPipeline.java	0.00% <0.00%> (ø)

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