V1.5 updated ugdg

[coveralls]

Pull Request Test Coverage Report for Build 305

• 14 of 24 (58.33%) changed or added relevant lines in 2 files are covered.
• 3 unchanged lines in 1 file lost coverage.
• Overall coverage decreased (-0.2%) to 70.148%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/main/java/seedu/address/ui/MainWindow.java	3	13	23.08%
<!--	Total:	14	24	58.33%	-->

Files with Coverage Reduction	New Missed Lines	%
src/main/java/seedu/address/ui/MainWindow.java	3	71.68%
<!--	Total:	3		-->

Totals
Change from base Build 303:	-0.2%
Covered Lines:	2458
Relevant Lines:	3504

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💛 - Coveralls