Fixed an issue in index.html/.js that prevented two samples from working correctly;

The samples 'From a web service'  & 'From application model' were interchanged in code;

Signed-off-by: Andreas Schacherbauer <andreas.schacherbauer@wikitude.com>
Merge pull request #17 from AndreasSchacherbauerWikitude/Integration_3_3_1

Fixed an issue in index.html/.js that prevented two samples from working...