Bug 980217 - Make "Skip" and "OK" buttons show when entering SIM 2 PIN code. r=Alive
Bug 988768 - [Sora][Message][MMS] Can't send messages with an attachment between 295 and 299KB r=schung

This changes the default setting in Gaia from 300KB to 295KB. This also
substracts 5KB from the setting taken in Gecko.

(cherry picked from commit f250750c9b8381560fa33b2383737736e4dbdff5)

Conflicts:
	apps/sms/js/settings.js
	apps/sms/test/unit/mock_settings.js
	apps/sms/test/unit/settings_test.js
Merge pull request #20409 from weigao123/bug980217-v1.3t

Bug 980217 - (v1.3t) Make "Skip" and "OK" buttons show when entering SIM 2 PIN code. r=alive
Merge pull request #21381 from julienw/988768-v1.3t-smaller-setting-for-size-limitation

Bug 988768 - [Sora][Message][MMS] Can't send messages with an attachment...
Bug 1016885 - Send a notification instead of displaying the dialer when receiving an unsolicited USSD notification r=etienne

(cherry picked from commit ddbf0e11b494fd9665545141485d0b70cab6d514)

Conflicts:
	apps/communications/dialer/js/call_log.js
	apps/communications/dialer/js/mmi.js
	apps/communications/dialer/test/unit/dialer_test.js
	apps/communications/dialer/test/unit/mock_mmi_manager.js
Bug 1016885 - Always initialize the MmiManager before sending a notification r=etienne

(cherry picked from commit c664153cd702ae1db12a485e539bae88b9bdcdea)

Conflicts:
	apps/communications/dialer/js/mmi.js
	apps/communications/dialer/test/unit/dialer_test.js
	apps/communications/dialer/test/unit/mmi_test.js