started implementing createExpense in API (unfinished)
removed forced update of expenses
implemented createExpense
Merge branch 'master' into createExpense

Conflicts:
	cachewise-api/src/main/java/com/cachewise/api/SplitwiseAPI.java
	cachewise-app/src/main/java/com/cachewise/api/sync/SplitwiseSyncAdapter.java
setting expenseId after creating expense
removed forced update of expenses
Merge branch 'createExpense'

Conflicts:
	cachewise-app/src/main/java/com/cachewise/api/sync/SplitwiseSyncAdapter.java
Merge branch 'master' of github.com:flosell/cachewise-app
removed deprecated comment
commented createExpense implementation
Merge branch 'master' of github.com:flosell/cachewise-app
uncommented createExpense again, also increased db version to make sure the DB gets cleaned beforehand