Phone: Display toast message for blank USSD request

As per spec 24.080, ussd response string should be
between 1 - 160.
When user requests SEND_USSD with blank/no
input, display toast message prompting user
to enter valid input.

Bug: 7471891
Change-Id: Ic7b7b89e8a683011048a19cabd1d36a27bbae953
Phone: Update italian translation

Change-Id: I360e8ce03d7182bb18fcaa74afed1c4bf78fdb9f
Phone: Update Polish translation

Change-Id: Ice5f754fdd203dc25d7f6b73fd55a48afe0e2154
Merge "Phone: Update italian translation" into cm-10.1
Merge "Phone: Update Polish translation" into cm-10.1
Merge "Phone: Display toast message for blank USSD request" into cm-10.1
Phone: Add blacklist unknown numbers functionality

	This way you can choose to block numbers not
	in your contact list

	Add counters to missed and blacklisted calls
	notifications

Patchset 4:
	- Remove counters for a single call
	- Reformat
	- Move the dependency of the "unknown numbers" preference
	  under that of "private numbers", that is the logical
	  parent

Patchset 5:
	- Fix formatting

Patchset 6:
	- Solve a bug in which a private number would be blocked
	  as unknown, with the message "Unknown number: 0000"
	- Code the dependency between the two preference sets,
	  "Block private numbers" and "Block unknown numbers"
	- Make some code lines cleaner

Patchset 7 - 13
	- Some more corrections, spaces and tabs fixing.

Change-Id: I0497dff62f5278da6bd5d441b8359294a9b2afd3
Merge branch 'cm-10.1' of git://github.com/CyanogenMod/android_packages_apps_Phone into cm-10.1