Dividing sections

Dividing tweet feed and photo stream into 2 sections and adding a Hindi
translation for "Thank you for contributing".
Making Text in the Opening Banner easy to read

Making Text in the Opening Banner easy to read.
In response to issue #67.
Merge branch 'master' of https://github.com/udeepak/fossasia.github.io into udeepak-master

Conflicts:
	index.html
Merge branch 'udeepak-master'