Merge pull request #94 from ds300/dev

Custom Themes/Config page makeover
Merge branch 'master' of github.com:ds300/jetzt
Added context menu support for PDF text selection
Added myself to the list of contributors
Merge pull request #116 from pratyushmittal/master

Added context menu support for PDF text selection
Tidied up top-level documentation
Merge pull request #120 from nslater/top-level-docs

Tidy up top-level documentation
Added more info on bookmark let's link
Merge pull request #121 from peteruithoven/more-bookmarklet-info

Added more info on bookmark let's link
updated jetzt bin
adjustScale fix