Minor change in About dialog
Add link label in Options dialog to locate the configuration file
Change default location of aseprite.ini on Windows platform

The new default location is %AppData%/Aseprite folder. This will be useful
for a future setup program. So if aseprite.ini is located in aseprite.exe
directory, it acts like a portable program, in other case it acts like
an installed program.
Fix ase_parallelogram_map_standard() for RGB and Grayscale images with customized transparent color
Use ColorPicker in ColorButton
Fix RotSprite for RGB and Grayscale images
Minor fix in she::Event::type() return type
Update src/README.md
Fix SkinTheme::paintMenuItem() to paint check boxes correctly in 1:1 screen scale
Fix issue 406: persist ISelectionSettings
Rename raster::Pen -> raster::Brush
Fix ase_parallelogram_map_standard for RGB/Grayscale for mask with alpha=0

If the transparent/mask color has alpha = 0, we cannot filter by
RGB/Grayscale values, we have to blend all colors anyway. Only when
the mask has alpha > 0 we can check if the RGB values are different to
the mask RGB values. In other words, comparing the source color with the
mask, makes sense only when the mask has alpha > 0.
Remove item from TODO that is already done
Update version to 1.0.2