Bump to 1.15.0
Bump to 1.15.0

JohnyDays/thinky,gutenye/thinky-websocket,davewasmer/thinky,gutenye/thinky-websocket,soplakanets/thinky,JohnyDays/thinky,rasapetter/thinky,bprymicz/thinky,gutenye/thinky-websocket,davewasmer/thinky,gjuchault/thinky,mbroadst/thinky,rasapetter/thinky,soplakanets/thinky