Add nil checks on HHGear to rope steps.

issue #871 in hedgewars: "Hedgehog dropping into water while still attached to a rope makes engine crash" Due to doStepRopeWork's being completely skipped 75% of the ticks - including drowning/detachment-condition checks

add a couple of onGearDamage callbacks to mine/barrel fall damage

issue #867: Update German mission strings

small code tweak

fix for issue #855: Failure to teleport rarely makes engine crash

issue #829: Drill rocket drilling dust is slightly misplaced

issue #852: Using blowtorch to dig through the wrap-around border in caves fails miserably

Some fixes and (really lazy) fixes

issue #768: Bee: Camera focus lost

issue #865: gfResetHealth is not exposed to Lua

make use of onGearWaterSkip

issue #755: Lua API: Add ammo type parameter for onHogAttack

lua API event: onGearWaterSkip

remove links from doxygen project number as doxygen escapes them now

Some ru l10n updates

use TeamsCount instead of cMaxTeams in a few loops

Use notice and skip join on irc

remove a not that somehow magically appeared in a prior commit.

make camera in wrap mode a bit smarter

world edge tweakes/fixes

fix size of PtrInt. enable tests for pas2c (all passing now)

pas2c doesn't like semi-colons after repeat

fix copypasta

let sinegun bounce on weBounce

Add (and slightly tweak) Wuzzy's Target Practice missions

Wuzzy's changes to stats for some of the training missions.

cont.

wrap explosions!

wrap sinegun

issue #848: Minor translation update for German (misc files)

fix some old code that assumes that a bullet under water is always outside land array - which is wrong (e.g. during sudden-death in previous releases, also weSea now) also removed usage of Gear^.Damage after "if Gear^.Damage > 0 then Gear^.Damage:= 0;"