Improve gitweb detection
Improve gitweb detection

This commit can be tested on [this](http://git.kali.org/gitweb/?p=packages/cisco-auditing-tool.git;a=summary) website.

AliasIO/wappalyzer,AliasIO/wappalyzer,WPO-Foundation/Wappalyzer,WPO-Foundation/Wappalyzer,WPO-Foundation/Wappalyzer