add release notes
remove starling.swc from release package
add new slide
add new slide
add showcase
add link underline
update title
update img
Fix the link style issue
add contact us link
update forum
remove flash pro
test github server

test github server
update to v2.0 website
rename v2releasepic
correct a releas note typo
remove one image
refine some code in feature page
update donation amount
update cloud icon