Design almost finished. Popups for "add album", "add picture", "open picture" are ready. 
TODO:
- add comments to albums
- little bugs to be fixed
- rating system to be implemented
- (optional) to be changed to responsive from static
Added Actions and Queries modules with basic functionality

Actions module contains functions for:
-creating Album/Category/Picture

Queries module has function for:
-getting Album/Category/Picture by Id from database
-getting Album/Category/Picture by name from database
-getting Picture objects by Album