converts some gl calls to gles

- Remove cake fix - Restore negative zero in hwSign

Fix cake going wrong way bug (triggered by disallowing "negative zero" in hwSign)

Final fix

Second try

Fix build

Fix a warning

Don't spam debug messages

Optimize network traffic a bit: - Send keepalive packets every second - Don't send keepalive packet if there was action packet within a second Time between turns in net game is reduced to 1 second now (was 2 seconds)

Don't store keepalive messages in game server spectators buffer

- Fix join/leave messages color - Add a check to prevent local schemes from overriding with bad ones

- Implement zoom reset - Implement mouse wheel events processing - Increase zooming speed twice - Bind zoom to mouse wheel, zoom reset to middle mouse button - Some formatting changes (yes, I'm evil :D )

Fix water rendering issues

And in frontend

Strip trailing spaces

Don't allow to look too deep

Fix water position when zooming

Fix background and horizont positions when zooming

Implement smooth zoom

Fix broken infinite skip turns logic

- Support probabilies from ammo scheme in engine - Remove shoppa probabilities hack

Implement probability editor for weapon schemes (engine doesn't support that yet)

Move connect call to more appropriate place

Remove gstHHDriven flag when hedgehog get into the water. Fixes some odd cases.

Disable smoothing and alpha for low quality rope rendering

Some rope tweaks

Fix braindead check

Use GL_LINE_STRIP instead of GL_LINES

- Implement low quality rope - Sometimes doesn't render - to be fixed

oops. forgot this one

Ok. This time I think I have it. amNothing should work.

Trying to correct prior amNothing checkin. untested.

hide timer after cake is done walking

Add an empty weapon to avoid selection of weapons which aren't yet ready. Might all be useful to switch to amNothing in certain situations, like after using up all ropes, instead of bazooka.

Fix inconsistency in join/part messages

Update server dependancies list

Join messages too

Not fakeable quit messages

Fixes suggested by hlint tool

Set window caption even in fullscreen mode (suggested by Smaxx)

Smaxx' fix for windows build

Some fixes suggested by hlint

Drop support for ghc 6.8, use 6.10 instead

Remove crosshair from skip

Warn players in room when admin lefts room

- Frontend: reorganize code controlling widgets state, fix problems getting room admin status - Server: rename room after new room master

Fix frontend ROOM_CONTROL_ACCESS protocol command handler

Send leaving message and remove room admin's teams when he exits

Update Polish translation

Implement room delegation (not tested, only one predefined name to rename room)

Fix a bug when you are unable to do anything in lobby when room is closed during round

Prevent "free knocking" bug

An experiment with increasing number of caves by selecting a few potential non-cave maps and adding to the cave map array. Ones selected here might not actually be that playable as caves.

Some preparation for room control delegation support

fix windows compilation with dll (frontend and engine)

Change password dialog to be more informative

Ask user for a nickname on first run, suggest login name

Add respawning mines mode as a hack. To test uncomment lines 1456-1460 in uGears.pas

Lower bound on speech text width for proper rendering

Another try at keeping blowtorch/firepunch/jackhammer from going through indestructible stuff. Shame these routines don't use hedgehog movement