Merge pull request statsite#198 from ROunofF/Fix-rpm-build

Fix RPMBUILDROOT

Merge pull request statsite#124 from filippog/str2double_strtod

conn_handler: fallback to strtod if needed

Merge pull request statsite#103 from marccardinal/patch-1

Typo in README.md

README updates

Updating the README

Update the readme

Integ tests for gauges

Updated changelog

Update changelog with note about interrupt handler

Fix linux compatibility issue