Update settings icon
Merge pull request #82 from thelac/yonatron/update-settings-icon

Update settings icon
Add default text to first launch

- And clear it when tapping the settings menu
Update text
Don't set first launch key until text shown.
fixes #78 add crashlytics
Merge pull request #92 from thelac/dsuo/crashlytics

fixes #78 add crashlytics
Merge pull request #90 from thelac/yonatron/help-text-first-launch

Add default text to first launch
update settings copy fixes #88