Added call to ws function getAttendanceEvents
Replaced notificationCode by eventCode
Added user nickname and birthday
Bumped version
Merge branch 'release/1.1.4'
Merge tag '1.1.4' into develop

1.1.4
Merge branch 'develop' into feature/rollcall

Conflicts:
	app/src/main/java/es/ugr/swad/swadroid/modules/rollcall/RollcallConfigDownload.java
	build.gradle
Now the QR code is generated from the user nickname
Completed EventsDownload module
Completed EventsDownload module
Added UsersDownload module
Added UsersSend module