remove margin between toggle and list because they belong together
remove first and last border in list
remove click outlines
merge master into style-fixes
increase height of lists to minimum 44px
emphasize selected element of toggle more
add logo to header on tab overview page
elements now use full screen width
thinner lighter style
use blue as action color, fix small glitches
fix transaction list height
Merge pull request #32 from xMartin/style-fixes

Style fixes
merge master into full-width
fix some glitches resulting from merge
fixes to participants list, bigger + button
simplify header, use icons for back and cancel buttons
use list icon as back button, make logo bigger
un-emphasize the add participant button
Merge pull request #33 from xMartin/full-width

Style update
quick fix for #34