Quake 4 Patch v.1.3 to v.1.4.2

Description
version: v.1.3 - v.1.4.2* player lean, player models lean in the direction of movementuse g_playerLean to scale or disable the effect (client side)* fix wallhugging on rampsfix also makes ramps slightly faster* horizontal speed fully maintained when crouch sliding and hitting a rampprevious version had a little dip1.4.1 had a bug that caused a sharp speed drop (this is also fixed)* RG ammo box 10->7change was initiallly advertised in 1.4.1 but didn't make it in* si_fps limited to 90fps for q4mp/, now declared in gamecode so mods can change their max* predict weapon changes for the local client. more responsive on high ping(can be turned off with net_clientPredictWeaponSwitch 0)* revert the projectile code to 1.4.0, not trying to predict projectiles anymorethe prediction code of 1.4.1 can be enabled with g_predictProjectiles 1 (client side)(was causing too many bad artifacts)* reworked the hit sounds / hit feedback propagation. fixed skipping problems* change network demo extension to include the protocol numberfor Quake 4 1.4.2, the extension is .ndmo85* fix network demos not setting the si_fps value properly* fix client prediction being irregular when connected to a TV repeater* added r_skipSky for a cheap black sky* fix a crash in single player (sound related)* fix several SMP-related crashes* fix a crash in autodownload server* hud_showSpeed cvar (shows current horizontal speed)* hud_showInput cvar (shows the input state to learn how to make particular moves)* s_useOcclusion no longer cheat protected (can be changed by network clients now)* no gauntlet spinup time, damage is immediate now* bse_rateLimit defaults to 3, showing all shotgun pellet impacts* added g_nailTrail, g_grenadeTrail, g_rocketTrail, g_railTrail, g_napalmTrail to disable weapon trails* updated reference netdemo included for performance tests: id_perftest.ndmo85