Bugfix: http storage: Actually respect useragent
Bugfix: http storage: Actually respect useragent

credativUK/vdirsyncer,untitaker/vdirsyncer,credativUK/vdirsyncer,mathstuf/vdirsyncer,hobarrera/vdirsyncer,untitaker/vdirsyncer,mathstuf/vdirsyncer,tribut/vdirsyncer,untitaker/vdirsyncer,tribut/vdirsyncer,hobarrera/vdirsyncer