GXemul Code2

Finally managed to implement cycle-accurate continuous execution of multiple components at different speeds. :-)

Adding an example of how to add and configure a ram component interactively.

Another minor documentation update.

Including screenshots in auto generated machines.html, and some other minor documentation updates (adding component_*.html files for some more components).

Grammar fix.

Changing ComponentFactory unit test from mvme187 to testm88k.

Emulation of testm88k is the primary goal for 0.6.0; updating the documentation to reflect that.

Various minor documentation updates.

Plural.

Adding missing include (to make it build in Linux again).