[Update] Update the determineImageSizeChar
The function can now accept capital letters
[Update] Users Controller update
edit method and me method can now be accessed
[Update] Routes update for users
New routes are added for user's edit&me method
[Update] Refactor the malls_controller
By changing
img_size = determineImageSizeChar(params[:size])

to

img_size = eval(determineImageSizeChar(params[:size]))
[NEW] Schema of the User is changed
birthdate is changed from Datetime to Date
Merge branch 'develop-user' into develop

Conflicts:
	db/schema.rb
[Update] Remove the unnecessary  tsst from users_controller_test

Removed the test "should get edit" do