engine: Added JNI-compatible function to start map generation

Modified AddAmmo()-s in consideration of gfPerHogAmmo in mission 2

Introduce 'a' and 'u' client flags to mark admins and authenticated users

frontlib: - Removed metascheme-reading and made metascheme a constant instead - Removed reference counting in favor of copying (less confusion about ownership)

Removed debug code.

Add bot level to CPU flag

frontlib/Hedgeroid: Modified frontlib build in Hedgeroid so it works without having to copy the source dir.

Mission 7: Added a visual gear to mark height, changed ShowMission to be more precise.

Perf opt for the c conversion. Use downto instead to avoid repeated function calls in the loop

Hedgeroid: fix wrong filenames due to windows not treating files case sensitive

Fixed a typo, frontend is now working properly

Also flag cases. Side effect might be some odd collision in rare cases w/ portals. Also, might cause unexpected collisions w/ cases in TestColl - although we could add a proximity check to the flag there, or simply switch to TestCollExcludingMe again. uCollisions seems mismatched w/ AI TestColl anyway. Possibly r+1+r vs r+r for gear diametre.

Removed useless cast in cmdlineClient

Silly add to facilitate transplant