DBGradientBorderedImageCell for #133
edit menu for MyProgramsTVC
switch between Show/Hide Details
fix error due to wrong compile sources
segue fix for DBGradientBorderedImageCell
save show/hide selection in NSUserDefaults
grid Labels for details
program size + last access date + datacache
fix for broken tests
date extensions + human friendly formatted date
add detail cells to missing TVCs
show/hide details button in ProgramTVC
show/hide details for ProgramTVC
fix segue compile warnings
show/hide details for SoundsTVC
fix rename cell-identifier bug
change to dequeueReusableCell:WithIdentifier
fixes #133
Merge branch 'issue#133' of gh:Catrobat/Catty into development

* 'issue#133' of gh:Catrobat/Catty:
  fixes #133
  change to dequeueReusableCell:WithIdentifier
  fix rename cell-identifier bug
  show/hide details for SoundsTVC
  fix segue compile warnings
  show/hide details for ProgramTVC
  show/hide details button in ProgramTVC
  add detail cells to missing TVCs
  date extensions + human friendly formatted date
  fix for broken tests
  program size + last access date + datacache
  grid Labels for details
  save show/hide selection in NSUserDefaults
  segue fix for DBGradientBorderedImageCell
  fix error due to wrong compile sources
  switch between Show/Hide Details
  edit menu for MyProgramsTVC
  DBGradientBorderedImageCell for #133