allows consecutive new users to sign up within a single tool
bug912557 - update nunjucks to v0.1.10
code comments
Merge pull request #151 from Pomax/bug912175

allows consecutive new users to sign up within a single tool
[bug 912670] Removed references to MongoDB in the README
[bug 912668] Sorted env.sample alphabetically
Merge pull request #156 from ksedge/bug912668

[bug 912668] Sorted env.sample alphabetically
Merge pull request #155 from ksedge/bug912670

[bug 912670] Removed references to MongoDB in the README