Add some tests and Change font from roboto back to Segoe UI

[JonathanHoshi]

Change font to try and fix gibberish issue.

[codecov-commenter]

Codecov Report

Merging #252 (a1cc9a8) into master (b54530d) will increase coverage by 2.63%. The diff coverage is 0.00%.

@@             Coverage Diff              @@
##             master     #252      +/-   ##
============================================
+ Coverage     47.21%   49.85%   +2.63%     
- Complexity      368      394      +26     
============================================
  Files            91       91              
  Lines          1724     1725       +1     
  Branches        193      193              
============================================
+ Hits            814      860      +46     
+ Misses          842      788      -54     
- Partials         68       77       +9     

Impacted Files	Coverage Δ
...main/java/seedu/trackermon/ui/ShowDetailsCard.java	0.00% <0.00%> (ø)
...rc/main/java/seedu/trackermon/model/show/Show.java	86.04% <0.00%> (+2.32%)	:arrow_up:
...main/java/seedu/trackermon/model/ModelManager.java	68.85% <0.00%> (+3.27%)	:arrow_up:
...main/java/seedu/trackermon/logic/LogicManager.java	54.54% <0.00%> (+9.09%)	:arrow_up:
...ain/java/seedu/trackermon/commons/core/Config.java	69.23% <0.00%> (+11.53%)	:arrow_up:
...rc/main/java/seedu/trackermon/model/show/Name.java	90.90% <0.00%> (+18.18%)	:arrow_up:
.../main/java/seedu/trackermon/model/show/Rating.java	66.66% <0.00%> (+23.80%)	:arrow_up:
...n/java/seedu/trackermon/commons/core/JarTools.java	40.62% <0.00%> (+37.50%)	:arrow_up:
...ava/seedu/trackermon/commons/core/GuiSettings.java	80.76% <0.00%> (+38.46%)	:arrow_up:
.../main/java/seedu/trackermon/ui/CommandBuilder.java	100.00% <0.00%> (+100.00%)	:arrow_up:

---

Continue to review full report at Codecov.

Legend - Click here to learn more Δ = absolute <relative> (impact), ø = not affected, ? = missing data Powered by Codecov. Last update b54530d...a1cc9a8. Read the comment docs.