calculating sections for years
sections for whole years
fixed cell sizes
removed some logging
added section headers
typo
showing the year in the section headers
don't show a section header when it is empty
images are not drawn upside down anymore
fixed unnecessary recalculation of some cell images
less rows per cell
earlier cell recalculation abortion
state
ordering images works
removed a lot of logging
don't overdraw cell images
updated for XCode 5.1
removed some commented out code
Merge branch 'feature/sections' into develop