Remove notabs task, and simplify some Cakefile code
Add uglifyjs as a dependency and use the local version for minifying
Prepend commands with 'node' to make sure they run on Windows

Also I've required modules that we call from the command line. I've done
this because that'll make it clear if the user haven't installed all the
dependencies with '$ npm install'
Skip 'acknowledgements' sections as meta-content
Add GBIB, GINFO and GFLAP as metacontent sections
Add 'tak' as meta-content section
Merge pull request #640 from saebekassebil/delicious_cake

Delicious cake
Merge pull request #644 from saebekassebil/skiptags

More skip tags
Add "dedication" as meta-content field