Add screening history feature and add codecov

[muhdharun]

just a test commit

[codecov-io]

Codecov Report

❗ No coverage uploaded for pull request base (master@7bab73b). Click here to learn what that means.
The diff coverage is 51.92%.

@@            Coverage Diff            @@
##             master     #108   +/-   ##
=========================================
  Coverage          ?   33.25%           
  Complexity        ?      185           
=========================================
  Files             ?       58           
  Lines             ?     1350           
  Branches          ?      149           
=========================================
  Hits              ?      449           
  Misses            ?      879           
  Partials          ?       22

Impacted Files	Coverage Δ	Complexity Δ
src/seedu/addressbook/common/Messages.java	0% <ø> (ø)	0 <0> (?)
.../seedu/addressbook/data/person/ReadOnlyPerson.java	79.16% <ø> (ø)	5 <0> (?)
src/seedu/addressbook/data/person/NRIC.java	83.33% <ø> (ø)	6 <0> (?)
...u/addressbook/storage/jaxb/AdaptedAddressBook.java	100% <ø> (ø)	5 <0> (?)
src/seedu/addressbook/ui/Formatter.java	0% <0%> (ø)	0 <0> (?)
src/seedu/addressbook/ui/MainWindow.java	0% <0%> (ø)	0 <0> (?)
src/seedu/addressbook/commands/CheckCommand.java	0% <0%> (ø)	0 <0> (?)
.../seedu/addressbook/storage/jaxb/AdaptedPerson.java	91.89% <100%> (ø)	7 <0> (?)
...eedu/addressbook/data/person/UniquePersonList.java	62.79% <100%> (ø)	13 <1> (?)
src/seedu/addressbook/data/person/Person.java	71.42% <100%> (ø)	16 <3> (?)
... and 5 more

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[iamputradanish]

Good feature. Do add more arguements to be output in future versions.