ADDED: edit contact to message view
ADDED: delete number functionality.
FIXED: delete feature for message view

A contact's number can now be deleted. If the last number is deleted then the contact is also deleted.
MODIFIED: button enabled/disabled

In ManageContacts or keyexchange manager if the list is empty the buttons are not able to be used so the are now disabled.
FIXED: list item seperators
FIXED: some minior bugs
FIXED: no name bug
MOVED: import loader to a thead class
FIXED: No name issue
FIXED: disable button for import contacts
ADDED: remove contacts loader class
FIXED: small bugs with 2.3
MODIFIED: show encrypted to default false
FIXED: second number name error
FIXED: key exchange issue
Updated the README
ADDED: abstract thread class

The abstract class simplifies the loading classes.
FIXED: dialog issues
FIXED: forwarding messages
Merge branch 'master' of github.com:tinfoilhat/tinfoil-sms into db_fix

Conflicts:
	branches/tinfoil-sms/src/com/tinfoil/sms/messageQueue/MessageSender.java
	branches/tinfoil-sms/src/com/tinfoil/sms/sms/ConversationLoader.java
	branches/tinfoil-sms/src/com/tinfoil/sms/sms/ConversationView.java
	branches/tinfoil-sms/src/com/tinfoil/sms/sms/MessageLoader.java