added uploading via iframe
removed test output
fixed scope for upload flow function
Merge tag '8.18.0' into develop

version 8.18.0
made imageUploadService work with new IframeUpload Class, implemented IframeUpload in UploadModule
moved IFrameUpload to sprd package
Changed input fields from text to number for tablets.
added file upload with iframe fallback
generated xsd
Merge branch 'develop' of github.com:spreadshirt/rAppid.js-sprd into develop
DEV-64272	- [FE] Make uploader work for IE8+ => fixed iframe onload events
DEV-61072 - As IE 9 and Safari 5 user I want to be able to upload images
DEV-64393 - Uploaded design doesn't show up
DEV-64392 - Default text gets not deleted
generated xsd
added script to build the diff of two json files
Merge branch 'develop' of github.com:spreadshirt/rAppid.js-sprd into develop
DEV-64272 -  [FE] Make uploader work for IE8+ => removed unnecessary stage-document-switch
DEV-64272 -  [FE] Make uploader work for IE8+ => setup iframe only when possible
fixed the usage of the tmp object in getDiff