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
build unfinished file

+minor bugs
121 in progress

open/save unfinished files in progress
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
Merge branch 'master' of https://github.com/onepf/AppDF