Merge pull request #686 from bhariharan/unstable

Merge 'master' into unstable
Support for https://localhost
Merge from upstream
Merge branch 'unstable' of github.com:forcedotcom/SalesforceMobileSDK-iOS into unstable
Reverting change that was pushed too soon
Revert "Reverting change that was pushed too soon"

This reverts commit b9d2a403d9c2ce1ec0f63c019f686b0853a8fd4f.
Preventing access to files outside www
Configuring cache like Cordova does
Latest shared/samples
Merge pull request #687 from wmathurin/unstable

Support for https://localhost on iOS
Latest shared/samples
Merge pull request #689 from wmathurin/unstable

Latest shared/samples
Removing samples submodule
Getting samples out of shared submodule
Missed contact explorer
Merge pull request #690 from wmathurin/unstable

Getting samples out of shared submodule
Some files were no longer compiling after the NSLog cleanup
New Cordova contacts plugin files, updating project reference paths
Recommended changes from review
Import moved to pch