Category Excluder from Theme Customizer

Administrator can simply opt out the categories he does not want to show on blog page directly via theme customizer. He need not use a wordpress code / php code to exclude categories from his blog. Even he need not go to setting pages created by other plugin in wp admin section and do this.

Features :
1. Make changes directly via customizer
2. See the live effect of his action ( exclude the categories and it reflect to right side of preview screen )
3. Easy and useful way to exclude categories for no coder / programmer users.