Added edit budget functionality to edit entry and added a check whether if an entry's date is before the budget's start date
Merge branch 'master' of https://github.com/coldstar96/cse403 into add-entry-fix

Conflicts:
	src/com/example/budgetmanager/AbstractEntryEditorActivity.java
Added spanish error message
Merge branch 'master' of https://github.com/coldstar96/cse403 into add-entry-fix
Merge pull request #154 from coldstar96/add-entry-fix

Added edit budget functionality to edit entry and added a bug fix