Commit View + Controller + Model

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Merge branch 'master' of https://github.com/tangcongyuan/WPI_CS542_rms

Conflicts:
	application/controllers/approval.php
	application/controllers/home.php
	application/models/reservation_model.php
	application/views/room_calendar.php

reservation model
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Merge branch 'master' of https://github.com/tangcongyuan/WPI_CS542_rms

Conflicts:
	application/controllers/approval.php
	application/controllers/home.php
	application/models/reservation_model.php
	application/views/room_calendar.php