VideoGame proposal

4 version of VideoGame proposal
Bug fixes, examples

Bug fixes, examples
Fixed bugs in examples, singular instead plural

in examples location->gameLocation
some microdata examples fixed (property->itemprop)
cheatCode, tip, playMode now singular
tip now has range CreativeWork
Definitions for GameServerStatus and PlayMode
Added an example for VideoGame series
.
GameServer added

.
Merge branch 'VideoGame' of https://github.com/tilid/schemaorg into tilid-VideoGame

Moved examples into separate file.
Reverting to main sdo-venkman for now, will re-add videogame sections.

Conflicts:
	data/examples.txt
	data/schema.rdfa
Added main games block into venkman-era schemas.
sdo-yavg default for games
Added Game classes.
Merge pull request #1 from danbri/tilid-VideoGame

Tilid video game - updates from recent non-game changes
VideoGame examples in separate file.
Merge pull request #2 from danbri/tilid-VideoGame

VideoGame examples in separate file.
Linked github. Deleted unwanted text.
Merge pull request #3 from danbri/tilid-VideoGame

Linked github. Deleted unwanted text.
Removed redundant old examples and schema definitions.
Merge pull request #4 from danbri/tilid-VideoGame

Removed redundant old examples and schema definitions.
Fixes from Aaron

remove dashes, fix an old ContentRating example, fix
NumberOfPlayer->numberOfPlayers
Merge pull request #19 from tilid/VideoGame

Video game