Merge branch 'develop' into sandbox
Merge branch 'arakiken' into configure
Update configure script
Merge branch 'develop' into configure

Conflicts:
	configure
Add new configure option --with-wic
Check libs for WIC integration
Update build files
Add some files for WIC integration
Merge branch 'confugre-wic-integration' into feature-wic-integration
Minor fix
Minor fix
Update build files
Add new configure output target: wic_install.reg/wic_uninstall.reg
Merge branch 'feature-wic-integration' of github.com:saitoha/libsixel into feature-wic-integration
Merge branch 'feature-wic-integration' of github.com:saitoha/libsixel into develop