Merge branch 'release/v2.0.7' into develop
remove useless file
add apps icon
update test case
add image resources
fix icon name error
add new resource configuration
add new resources into package
remove randomwallpaper
fix preview pictures bug (add wallpaper)

improve testcase
refactoring package resource
update package version
Merge branch 'release/v2.0.8' into anthpack-v2