support no name drives (windows does this)

move development requirements out

Merge pull request AstroPrint#388 from AstroPrint/AstroPrint#412

AstroPrint#412

localtime format

check if it exists before calling cancel

ensure it's an integer

add new timeout

Merge pull request AstroPrint#359 from AstroPrint/julian-fix-signin-e…

…rror

Restrict sign with key for existing users

don't session when polling janus

avoid double creation of file manager