UI with all the activities

maybe some button functions or Navagation are wrong, I will fix them
later
UI new
UI2
UI 3
UI Part

Combine your part and mine. Also, all the search functions on every
page has been done.
Merge branch 'master' of git://github.com/LijiaLiu/walkingarchive-app into LijiaLiu-master

Conflicts:
	res/layout/activity_main.xml
	res/layout/card_viewer.xml
	res/layout/search.xml
	src/org/walkingarchive/app/CardViewerActivity.java
	src/org/walkingarchive/app/SearchResultsActivity.java
Merge branch 'LijiaLiu-master'
Clean up unused imports and XML warnings