Several changes and bug fixes

- included static base64 inline images in micro formats.scss
- removed inline-image generation in microformats.scss
- removed namespace-settings from Sass project. Namespace configuration will be build as a Grunt task
- updated Accessible Tabs plugin to v1.9.7
- updated SyncHeight plugin to v1.5
- fixed a configuration problem in Grunt watch task

Signed-off-by: Dirk Jesse <office@highresolution.info>