some font configurations

Using the ‘Calligraphy’ library for configuring the custom fonts in the
assets directory
Font integration with the entire app

- All activities are updated with the custom font configuration.
- Font “Existence-Light” is now used for the headlines.
Added background images
Add background image
Merge branch 'custom-fonts' into ui-design

Conflicts:
	app/src/main/res/layout/activity_main.xml
Design improvements

Including login page redesign, and main page design process
Merge branch 'ui-design'

Conflicts:
	.idea/workspace.xml
	app/src/main/java/com/breworks/dreamy/ToDoDetail.java
	app/src/main/java/com/breworks/dreamy/ToDoList.java
	app/src/main/java/com/breworks/dreamy/logIn.java
	app/src/main/res/layout/log_in.xml