Event handling for Screening

[coveralls]

Pull Request Test Coverage Report for Build 221

• 21 of 40 (52.5%) changed or added relevant lines in 6 files are covered.
• 2 unchanged lines in 2 files lost coverage.
• Overall coverage decreased (-0.3%) to 73.612%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/main/java/seedu/address/logic/commands/JumpCommand.java	0	1	0.0%
src/main/java/seedu/address/logic/commands/AddScreeningCommand.java	0	1	0.0%
src/main/java/seedu/address/logic/parser/ParserUtil.java	4	5	80.0%
src/main/java/seedu/address/commons/events/ui/ReloadBrowserPanelEvent.java	5	11	45.45%
src/main/java/seedu/address/ui/BrowserPanel.java	11	21	52.38%
<!--	Total:	21	40	52.5%	-->

Files with Coverage Reduction	New Missed Lines	%
src/main/java/seedu/address/logic/parser/ParserUtil.java	1	95.24%
src/main/java/seedu/address/logic/commands/JumpCommand.java	1	0.0%
<!--	Total:	2		-->

Totals
Change from base Build 219:	-0.3%
Covered Lines:	2466
Relevant Lines:	3350

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💛 - Coveralls