fix(Dockerfile): deisctl is a static binary

    ~
    --> ldd deisctl
    	not a dynamic executable
fix(Makefile): static binary
fix(Makefile): static complication in installer
chore(deisctl): bump version to v0.13.0-dev
Merge pull request #91 from Xe/fix/static-binary

Defaultly build deisctl as a static binary
Merge pull request #92 from bacongobbler/bump-version

chore(deisctl): bump version to v0.13.0-dev