Elegant theme already installed but needs help to customise

I need someone to customise a Nexus theme by Elegant themes. Theme is loaded just needs customising.
What I need is :
* IN Nexus i would my blog to look similar to the demo on Elegant theme site.
* set up Links to related social Media sites
* link back to my ecommerce site ( with widget on right hand side that links back)
* Removal of elegant theme info at bottom and add in blog copyright.
* Reinstate home page link of the navigation and not sure how to get it back!
* Ensure all category pages are working and look the same format as each other
* Newsletter widget on home page near top end of page. Newsletter sign up to appear on all pages.
* Contact us Page with contact us box and captacha.
Dont need the following that are on Nexus demo theme:
*Reviews on home page
* dont need as many ad widgets. Maybe one on the side for now but dont need one at top at moment.

Website; www.sweetboutiqueliving.com