Revert "Bug 818034 - Contact details. Photo needs a drop shadow for affordance r=basiclines"

This reverts commit 8f12d1266bfcbe775e1275613afb32fef1056b25.
Merge pull request #8047 from albertopq/backout-issue-818034

Revert "Bug 818034 - Contact details. Photo needs a drop shadow for affordance r=basiclines"
Bug 818034 - [Contacts] Photo needs a drop shadow for affordance
Bug 834653 - [EMAIL] Message list synchronization progress bar should become indeterminate/show "candybar" state after a timeout since last progress bar update.
Merge remote-tracking branch 'upstream/master'
837281 - created light/medium/heavy/extra heavy reference workloads
Merge pull request #7997 from JonHylands/jhylands-837281-master

Patch for 837281 - Create reference workloads
Bug 840362 - Slight performance improvement to homescreen panning.
Bug 838223 - lazy script loading and DB enumeration changes for faster startup

load photo/video view scripts on demand

don't load gesture detector until we need it

don't load metadata parsing code unless needed

get rid of spinner on startup

move WebGL shaders from html file to ImageEditor.js

change the db enumeration algorithm for faster startup

fix strict mode for ImageEditor.js
Merge remote-tracking branch 'upstream/master'
Bug 839579 - Show call message on STK SETUP CALL
Merge pull request #7926 from crdlc/bug-837062

Bug 837062 - Threshold for tapping defined on build time [r=arcturus]
Merge pull request #8039 from crdlc/bug-839561

Bug 839561 - weird animation: Moving the last icon of a panel to the doc...
Merge pull request #8004 from crdlc/bug-835710-v2

Bug 835710 - Homescreen not preventing BrowserElementScrolling code from...
Merge pull request #8048 from albertopq/issue-818034

Bug 818034 - [Contacts] Photo needs a drop shadow for affordance r=basiclines
Bug 839472 - Do not call canGoBack/canGoForward for non wrapper frames. r=crdlc
Merge pull request #8057 from vingtetun/839472

Bug 839472 - Do not call canGoBack/canGoForward for non wrapper frames. ...
Merge pull request #8034 from jmcanterafonseca/fix_progress_fb_final

[Contacts UX] [Activity Indicator] Wrong use of spinner when connecting ...
Merge pull request #8036 from asutherland/email-html-stop-bad-pre-tag

Bug 834734 - [EMAIL] HTML message display in newsletter mode may result in extremely wide iframes with bad aspect ratio for some messages. rs=squib
Merge pull request #8049 from asutherland/email-progress-candybar-on-timeout

Bug 834653 - [EMAIL] Message list synchronization progress bar should become indeterminate/show "candybar" state after a timeout since last progress bar update. r=squib