This is the  changes made in event,employee, center entity
Merge branch 'master' of https://github.com/nkimadusanka/itranfuzz.info

Conflicts:
	application/models/center.php
	application/models/employee.php
merge two file by ashika
Event

Added methods to event entity
Made changes in center

Added new features
Changes in center

Updated in center entity
add some function to employee modal
changes in center

changed
Ch in event
Changed event
Add Blood Request
Add Event
add some modals(donor, blood_request, donation_method)
correct some errors in employee modal
correct some errors in center modal
correct error in employee modal
Add event html file(.php)
This is event html code

Last one is not event html.blood_request html code edit here
Add Biood Donation Method Registration Form html code
add new tiles