adjust the intra md under scc
Parameterize the project name and change it to openh264
Merge pull request #778 from ethanhugg/rename

Parameterize the project name and change it to openh264
Merge pull request #761 from sijchen/md_merge31

[Encoder MD] Adjust MD under Screen Content route
add scrolling skip function pointers in MD
Merge pull request #780 from sijchen/md_merge25

[Encoder MD] Add scrolling skip function pointers in MD