changed user-agent from 'Twisted PageGetter" to 'Coherence PageGetter" for HTTP requests from coherence
changed user-agent from 'Twisted PageGetter" to 'Coherence PageGetter" for HTTP requests from coherence

ismaelgaudioso/Coherence,opendreambox/python-coherence,unintended/Cohen,sreichholf/python-coherence,coherence-project/Coherence,furbrain/Coherence,unintended/Cohen,sreichholf/python-coherence,furbrain/Coherence,opendreambox/python-coherence,ismaelgaudioso/Coherence,coherence-project/Coherence