Refactor the "Jaeger UI" template.

[righettod]

Template / PR Information

Hi,

This PR propose a little refactoring of the template to make it more generic to detect the presence of an instance of the Jaeger software as well as its version.

Template Validation

I've validated this template locally?

• YES
• NO

Test against the following hosts found via shodan:

http://3.121.62.79
https://173.212.233.70
http://34.36.186.0
http://34.107.195.208
http://34.149.89.101
http://34.111.49.88
https://62.209.153.125
http://34.149.251.26
http://34.149.13.104
http://120.77.181.193

Additional Details (leave it blank if not applicable)

Shodan query used: https://www.shodan.io/search?query=http.title%3A%22Jaeger+UI%22

Additional References:

None

[GeorginaReeder]

Awesome, thanks as always for your contribution @righettod :) we appreciate it!