Fixing typos

[mijustin]

What's this PR do?

Fixes two types of typos:

• Sprint.ly changed to Sprintly - ref
• Logout changed to Log out - ref1 ref2

  Where should the reviewer start?

Review and confirm that typo suggestions are correct

How should this be manually tested?

Should continue to load properly in browser.

What are the relevant tickets?

Fixes #99

What gif best describes this PR or how it makes you feel?

Definition of Done:

• [ ] Is there appropriate test coverage? (e.g. ChefSpec, Mocha/Chai, Python, etc.)
• [ ] Does this PR require a Selenium test? (e.g. Browser-specific bugs or complicated UI bugs)
• [ ] Does this PR require a regression test? All fixes require a regression test.
• [ ] Does this PR require a blog post? If so, ensure marketing has signed off on content.
• [ ] Does the knowledge base need to be updated?
• [ ] Does this add new dependencies? If so, does Chef, M4, or PIP requirements need to be updated?
• [ ] Will this feature require a new piece of infrastructure be implemented?
• [ ] Are any new services fully automated in Chef?
• [ ] Are there ChefSpec tests for the new Chef recipes/cookbooks?
• [ ] Does this PR require new Mixpanel or GA events?
• [ ] Is there appropriate logging included?