Update README URLs based on HTTP redirects

[ReadmeCritic]

Created with https://github.com/dkhamsing/frankenstein

GitHub Corrected URLs

Was	Now
https://github.com/thekarangoel/Projects-Solutions	https://github.com/karan/Projects-Solutions

HTTPS Corrected URLs

Was	Now
http://en.wikipedia.org/wiki/Inverted_index	https://en.wikipedia.org/wiki/Inverted_index
http://twitter.com/karangoel	https://twitter.com/karangoel