Add integration tests for feed creation

Gopkg.lock

Gopkg.toml

README.md

integration_test.go

server/api/controller/feed.go

storage/feed.go

storage/icon.go

vendor/github.com/miniflux/miniflux-go/README.md

vendor/github.com/miniflux/miniflux-go/client.go

vendor/golang.org/x/crypto/ssh/terminal/util_windows.go

vendor/golang.org/x/net/http/httpproxy/export_test.go

vendor/golang.org/x/net/http/httpproxy/proxy.go

vendor/golang.org/x/net/http/httpproxy/proxy_test.go

vendor/golang.org/x/sys/unix/linux/types.go

vendor/golang.org/x/sys/unix/mkall.sh

vendor/golang.org/x/sys/unix/syscall_linux.go

vendor/golang.org/x/sys/unix/syscall_linux_386.go

vendor/golang.org/x/sys/unix/syscall_linux_amd64.go

vendor/golang.org/x/sys/unix/syscall_linux_arm.go

vendor/golang.org/x/sys/unix/syscall_linux_mips64x.go