Edit or delete projects and contexts

Editing or removing unwanted projects and context's can be done via "long tap" gesture. A long tap is a tap and hold gesture where you don't lift your finger for about 1-2 seconds. When you perform a long tap on a context or project, it is reload it into the input field for editing. When your done click save. Likewise, activating this mode will also bring up a delete button where you can confirm the item to be deleted.