* Increase all walls hp by 5 times
* Increase reinforced and riveted wall hp as well
* Revert "Increase reinforced and riveted wall hp as well"
This reverts commit a9d95670e3f6c4d7fb2b2cf3c84503496f685e26.
* Increase reinforced and riveted wall hp as well
* Merge conflict fixes
* Reduced wall hp slightly