Build: Localize build timestamp timezone

Use a daylight savings time aware timezone string, because Travis CI builds kept setting
the timestamp values to GMT
Fixes gh-2546
Merge pull request #2552 from pjackson28/master

Added more robust workaround for jQuery Mobile scrolling/focus changes on init (#2533)
Merge pull request #2553 from pjackson28/master

WET theme: Added server message pages for each of the 33 languages
Merge pull request #2554 from pjackson28/master

WET theme: Removed extra home link from server message pages
Added the timezone identifier
Merge pull request #2556 from LaurentGoderre/fix-build-tstamp-offset-2546

Fix build tstamp offset 2546
Merge branch 'v3.0'
Fixed mobile, splash, server message pages and IE8 printing issues for Base, WET, GCWU and GCWU intranet themes.
Fixed JSHint issue.
Merge pull request #2560 from pjackson28/printfix

Fixed mobile, splash, server message pages and IE8 printing issues for Base, WET, GCWU and GCWU intranet themes
Restored missing GCWU Intranet demo files (#2565).