Update extra.sh
Update extra.sh

Pip Install failed due to an old or outdated link 

Old:  https://raw.github.com/pypa/pip/1.4.1/contrib/get-pip.py
New:  https://raw.githubusercontent.com/pypa/pip/1.4.1/contrib/get-pip.py
cityindex-attic/logsearch,cityindex-attic/logsearch,cityindex-attic/logsearch,cityindex-attic/logsearch