changed sql queries and table names according to common naming conventions / capitalization
fixed syntax error in sql CREATE TABLE statements (issue #17)
fixed getTasks, getRecordings implementation to return empty list instead of null.
closes #17
use real SQLite DatabaseController
changed IDs from int to long because this is the datatype used internally
removed deprecated functions
fixed saving wrong task names to database
return null if there is now result from query (moveToFirst returns false)
cleanup
fixed saving wrong parentId to database
implemented createTaskFromString
Merge branch 'master' into listRecordings

Conflicts:
	src/iiitd/mc/timetracker/MainActivity.java
cleanup
push manifest file
renamed "List_Recordings" to "ListRecordingsActivity"
added simple toString for Recording
added simple ListView displaying all Recordings in database
renamed "List_Task" to "ListTasksActivity"
added really simple ListView displaying all Tasks in database (no hierarchy)
renamed "New_Task" to "NewTaskActivity"