Fix podspec warnings:
- Use new `resource_bundles` directive
- Remove deprecated `documentation` directive
- Upgrade FMDB to version 2.1 to fix its warnings
Fix crash with hidden logo bug
Autolayout freaks out if it tries to layout a hidden logo bug. This is easily fixed by checking the logo bug is not nil and should be shown
Merge branch 'fix-podspec-warnings' into develop