Categories mapping updated

- Appland categories added
- SlideMe categories updated
Add initial uploader tool
SlideMe categories mapping updated

SlideMe categories mapping updated according to Andrei Bautu feedback.
SlideMe categories mapping updated#2

Misprint fixed
Merge pull request #122 from MuTTTiX/master

open/save unfinished files in progress
Merge pull request #120 from yinegvey/master

Categories mapping updated
JSON formatting is fixed in categories
SlideMe adds AppDF support
bracket removed
 Fix package attribute created by editor
Merge pull request #127 from slidemedev/editor-fix

 Fix package attribute created by editor
Submit section is added to the editor
Appstore list is updated. Many new appstores are added. 1mobile is removed because it is not an appstore.
Merge pull request #123 from MuTTTiX/master

Merge: + issues #121, #128,  + uploader instructions
uploader: more details in readme
uploader readme fix
Merge pull request #126 from slidemedev/slideme_adds_appdf_support

SlideMe adds AppDF support
Merge pull request #130 from MuTTTiX/master

Merge: + publisher for Amazon