Merge pull request #113 from snoodlupa/master

change version from 0.8.3 to 0.8.4 in sdk section
Merge pull request #114 from snoodlupa/master

change version to 0.8.4 for android section
Merge pull request #115 from snoodlupa/master

change version to 0.8.4 for android section
Merge pull request #116 from snoodlupa/master

add new screenshots for 0.8.4 version
Merge pull request #117 from snoodlupa/master

add new screenshot for 0.8.4 version
Updated push notification example for iOS and JS
Merge pull request #118 from baasbox/0.8.4

align master to 0.8.4
Merge pull request #27 from baasbox/master

pull request from repository baasbox