Feature/nlp preprocess

[thomaszhouan]

Use Stanford Tokenizer and Jazzy spell checker for text preprocessing.

[codecov[bot]]

Codecov Report

Merging #99 into develop will increase coverage by 0.5%. The diff coverage is 80%.

@@             Coverage Diff             @@
##             develop     #99     +/-   ##
===========================================
+ Coverage       62.9%   63.4%   +0.5%     
- Complexity       302     314     +12     
===========================================
  Files             37      38      +1     
  Lines           1590    1648     +58     
  Branches         206     214      +8     
===========================================
+ Hits            1001    1046     +45     
- Misses           519     528      +9     
- Partials          70      74      +4

Impacted Files	Coverage Δ	Complexity Δ
...ain/java/controller/DietingChatbotApplication.java	0% <ø> (ø)	0 <0> (ø)	:arrow_down:
...atbot/src/main/java/agent/IntentionClassifier.java	0% <0%> (ø)	0 <0> (ø)	:arrow_down:
...atbot/src/main/java/misc/InitialInputRecorder.java	73% <100%> (+0.8%)	43 <0> (+1)	:arrow_up:
...eting-chatbot/src/main/java/utility/Validator.java	91.6% <100%> (ø)	20 <7> (ø)	:arrow_down:
...g-chatbot/src/main/java/utility/TextProcessor.java	92.8% <100%> (+12.8%)	6 <4> (+4)	:arrow_up:
dieting-chatbot/src/main/java/agent/MealAsker.java	75.5% <100%> (ø)	17 <0> (ø)	:arrow_down:
...g-chatbot/src/main/java/agent/FoodRecommender.java	74.4% <100%> (ø)	52 <3> (ø)	:arrow_down:
...atbot/src/main/java/utility/JazzySpellChecker.java	71.1% <71.1%> (ø)	7 <7> (?)

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