add doc for XML numeric entities that can be an easy reference for adding some typical non ASCII characters
320: added padding between the flag and the answer in McpCheckGroup

- When drawing the flag cell in McpCheckGroup, it now has some padding to its left, between it and the item content.

Jira: BRIX-320
405: fix Multiselect to display restored previous submission

- also add ability to set the number of attempts already made when registering an answerKey w/ the local answerman to match the restored state.

Jira: BRIX-405
310: feedback & entry display improvements to CodeQuestion

- Add flipper controls to allow cycling through the list of response feedback received
- put the code examples in their own section and separate out drawing the code examples from drawing feedback
- fix line number positioning when single column

more work is probably needed, but this is a good start

Jira: BRIX-310
Bump version number from 2.0.0-rc.2 to 2.0.0-rc.3