Modified the visualization APIs to match the wiki definitions.
Modified the visualization APIs to match the wiki definitions.

The visualization APIs required an exclamation point before the width and height parameters. This is a requirement for the visualization server, but not for the ohmage APIs. This has been removed.

HaiJiaoXinHeng/server-1,hongsudt/server,hongsudt/server,HaiJiaoXinHeng/server-1,hongsudt/server,HaiJiaoXinHeng/server-1