testing/toxic/prompt.c: changed execute() to skip whitespace at start of command
testing/toxic/prompt.c: changed execute() to ignore whitespace at end of commands
Allow to set a specific userstatus type in toxic

Use:
status <type> <message>, where type is one of
online
away
busy
offline

The message parameter is optional.

To set only the status message, as it was before, use:
statusmsg <message>
Merge branch 'master' of https://github.com/ptrasd/ProjectTox-Core into pull-requests
Merge branch 'provide-status-type' of https://github.com/jin-eld/ProjectTox-Core into pull-requests