Adjusted left and right margin. Also, Made some structural changes to header and contact page.

1. Left and right margin
2. Took out the outer container form the header since we now have the
banner. (Ascetic reasons)
3. Commented the <hr/> tag in the contact page since the form is
disabled.
Merge pull request #57 from Apex-net/left-right-margin

Adjusted left and right margin. Also, Made some structural changes due to the margins.