Added Custom ListView

Tons of stuff. Custom list view needed many new files. Should be
working.
Merge branch 'EVEN-BETTER-UI-BRANCH' of https://github.com/ThunderPanther/panther into EVEN-BETTER-UI-BRANCH

Conflicts:
	Panther/app/src/main/java/com/thunderpanther/panther/Task.java
	Panther/app/src/main/res/values/strings.xml