New Explosion system code changes.
New explosion system yaml changes.
Fix descriptions.
Streamline isValid check.
show a user friendly description of the starting unit template

closes #6209
bring back the automatic wiki update

closes #5900
use the new orabot account
Convert damage modifiers to integer percentages.
Convert speed modifiers to integer percentages.
Convert firepower modifiers to integer percentages.
Rename ProneSpeed to SpeedModifier in TakeCover.
Upgrade mod rules.
Change ImpactTypes from array to bitfield approach.
Implement IMA ADPCM WAV file support

Closes #4628
Fixes D2k heavy factory roof displaying below exiting units.

Closes #6236.
Fixes D2K AI constantly repairing weather damage.
Fixes incorrect package name in INSTALL.md

No package `libmono-winforms4.0-cil` exists in Debian or Ubuntu. The correct package name is `libmono-system-windows-forms4.0-cil`.
Merge pull request #6256 from jfinkels/patch-1

Fixes incorrect package name in INSTALL.md
Merge pull request #6248 from reaperrr/d2k-roof-fix

Fix D2k heavy factories roof ZOffset
fix offset for light vehicle factories