Test fix. SalesforceSDK-Android v2.1 has been released, bumping up
some test data to make all test case versions newer than v2.1.
Merge pull request #442 from jasonschroeder/testfix-JavaScriptPluginVersionTest

Test fix.
Update README.md

Fixed code block formatting in one of the steps.
Merge pull request #444 from rwhitley/master

Update README.md
Merge branch 'master' into unstable
Merge pull request #445 from bhariharan/unstable

Merge branch 'master' into unstable