Update README.md

Added link to the following:

- *Learning JavaScript Design Patterns* in the *JS* section
- *Metro JS* in the *JS frameworks* section
- *toastr* in the *JS frameworks* section
- *Color Scheme Designer* in the *Misc* section
- *Windows-8-like animations with CSS3 and jQuery* in the *Misc* section
Merge pull request #45 from HorizonNet/master

Some additional links