Merge pull request #7943 from crdlc/bug-837601

Bug 837601 - Regression on grid after launching mouse support [r=arcturu...(cherry picked from commit 09b098094a5157c1a4666af09d2b5c67167c2bd9)
Merge pull request #7904 from rnowm/bug-821623-gaia

bug-821623 [General][Building Blocks] Disabled Button States are incorrect(cherry picked from commit 1a1f85031b6bf57324aa5a8aebca38e247f26bd9)
Merge pull request #7941 from crdlc/bug-824054

Bug 824054 - Long titles from home pages should be truncated in the task...(cherry picked from commit 261e8de3b0ce55a70454a0dcac0bd85ec66a5787)
Merge pull request #7666 from KevinGrandon/bug_808650_filter_contacts_by_email

Bug 808650 - Implement filtering by contact email r=asuth(cherry picked from commit 49f1c92638c01ab7696765c226bbca13c4f86d7d)
Merge pull request #7826 from borjasalguero/bug_810311_font_sizes

Bug 810311 - [SMS] Text is too small in input fields (8pt) + speech bubb...(cherry picked from commit 59403926c2e78cf3b3f01f9d1e8615847a637d83)
Merge pull request #7807 from gtorodelvalle/dialer-bug-829510

Bug 829510 - When a contact name has no name and no lastname we show an empty string in the call log (r=albertopq)(cherry picked from commit 5dd690af24477f4fab05e80268fd6fd50a1ad4f5)