Merged r11353 from trunk to 2.2-stable
upgrade Rails to 3.2.12.
remove trailing white-spaces from app/models/custom_field.rb
upgrade Rails to 3.2.12
Removed unused fixtures.
Fixed that long project names in the header may overlap the main menu (#13127).
Format all floats with 2 decimals in the issue list (#13126).
Fixed that custom_field_values are not reloaded on #reload (#13119).
Submit the form after preview.
Removed delay.
Fixed test after r11343.
