[System UX VD] [BB] Define Building blocks for loading process components
Fix typo Hola! -> ¡Hola!
Bug 823025 - Call Log: Returning from contact details should go back to call log, not contact list.

When user click back button in contact details page in iframe, the iframe will post message to Dialer app. After receive back message, Dialer app will show Call log page.
Bug 832806 - Homescreen Transition Not Smooth [r=vingtetun]
Bug 829510 - When a contact name has no name and no lastname we show an empty string in the call log.
Bug 810311 - [SMS] Text is too small in input fields (8pt) + speech bubbles (9pt) r=rnowm
bug-821623 [General][Building Blocks] Disabled Button States are incorrect
[Email] Make mail-app unit test workable.
Bug 830287 - Added error for airplane mode and make error be unified under an error matrix
Bug 835555 - Progress when importing SIM contacts
Bug 837210 - Remove code preview trigger
Bug 820317 - [Email] Confirmation overlay didn't sync with building-block
Merge pull request #7883 from steveck-chung/email-confirm-dialog

Bug 820317 - [Email] Confirmation overlay didn't sync with building-block. r=asuth.
Merge pull request #7836 from evanxd/bug-823025-5

Bug 823025 - Call Log: Returning from contact details should go back to call log, not contact list, r=etiennesegonzac, a=approval-gaia-v1.
Bug 836135. Avoid PLAYTONE response when dialog is showed
Bug 824054 - Long titles from home pages should be truncated in the task manager [r=alivedise]
Merge pull request #7941 from crdlc/bug-824054

Bug 824054 - Long titles from home pages should be truncated in the task...
Bug 837601 - Regression on grid after launching mouse support [r=arcturus]
Merge pull request #7943 from crdlc/bug-837601

Bug 837601 - Regression on grid after launching mouse support [r=arcturu...
Revert "Merge pull request #7841 from crdlc/bug-835710"