Changes to ToDoEdit.java and CategoryPriorityParser.java
- check category for "+" if dont have append into category string
- rename variable in CatgoryPriorityParser.java
Revert "Changes to ToDoEdit.java and CategoryPriorityParser.java"

This reverts commit dada6efde222502db40df485f6e275ba09e49934.
Changes to ToDoEdit.java and CategoryPriorityParser.java
- check category for "+" if dont have append into category string
- rename variable in CatgoryPriorityParser.java