Relax 3dveins preconditions to account for soil quirks and volcanoes.
Improve pre-embark prospect using new knowledge about soil depth.
Merge remote-tracking branch 'angavrilov/master' into 0.34.11-r4
Update xml.
Update "plants" plugin

* Add "createplant" command, creates a shrub or sapling at the cursor.
* Put help text in command definitions so CR_WRONG_USAGE works properly
Missed parameter in plugin command init
Update plugins to use CR_WRONG_USAGE where appropriate
Use df::allocate here for proper compatibility with 40d and earlier
Fix wrong argument iteration bounds in dfhack.matinfo.find().
Get rid of the std exception.
Hide fake historical figures from legends xml export.
Merge branch 'master' of git://github.com/angavrilov/dfhack
Merge branch 'master' of github.com/quietust/dfhack
compile.rst: add a note on VS2010 SP1