Use 127.0.0.1 instead of localhost

Localhost might resolve to the ipv6 ::1, but flask only binds to 127.0.0.1 by default. This makes the webbrowser connect to the correct IP.
Update to version v0.6.3
correct build in Makefile
Make opening webbrowser configurable
Update to version v0.6.3
Merge branch 'release/v0.6.3' into develop
add script to automatically update to a new version
update readme to correct reference to sandman, include instructions for running without browser
update with supported databases; ignore sandman_env test envrionment
update with info from README
Update to version v0.6.4
Merge branch 'release/v0.6.4' into develop
Merge branch 'patch-1' of git://github.com/valhallasw/sandman into valhallasw-patch-1

Conflicts:
	sandman/model/__init__.py
add py-e as suffix to ignore
Update documentation code examples. Closes #21
Update to version v0.6.5
Merge branch 'release/v0.6.5' into develop
Fix error in parsing
Update to version v0.6.5a1
Merge branch 'release/v0.6.5a1' into develop