Update README.md
Fix some TCs + improved timing issue:
* COndition instead of sleep
set correct xml codeStyle
Merge pull request #1112 from Catrobat/xmlCodeStyle

xmlCodeStyle settings
2 tests fixed
Merge pull request #1109 from Catrobat/fix_testItemClick

2 tests fixed
Merge pull request #1111 from Catrobat/fixOpenTestsSept14

Fixes:
ProjectManagerTest#testShouldLoadDefaultProjectIfCannotLoadAnotherProject
SoundFragmentTest#testSelectAllActionModeButton
SpritesListFragmentTest#testSelectAllActionModeButton
Implementation of core functionality, functional tests
UserList fragment added
UserListFragment tests
Brick category data introduced
UserList add item
UserList addItemToList
AddItemToUserlist Action Tests
tests adapted
add item to userList UiTest
get item of list implemented
length of list implemented
function contains implemented
delete item of user list brick