removed unused functions This issue was found by Cppcheck (static C/C++ code analysis tool).
changed "http" to "https" in URLs
changed comments from old to new style (one-line comments only)
fixed compiler warnings (after adding "-Wstrict-prototypes") Adding this warning option revealed a bug with an invalid function parameter (fixed by previous commit 085eaa4c).
improved customizability of game controller configuration screen
replaced obsolete joystick calibration with game controller configuration
improved support for game controllers and joysticks
updated contact info in source file headers
rnd-20140515-2-src * removed native X11 support (X11 now only supported via SDL/SDL2)
rnd-20131202-1-src * version number set to 3.3.1.3
rnd-20100608-1-src * added configurable key shortcuts for snap+direction player actions (probably most useful for recording tool-assisted speedrun (TAS) tapes using the single-step mode of the tape recorder) * version number set to 3.3.0.1 * version 3.3.0.0 released
rnd-20060819-3-src
rnd-20020420-1-src
rnd-20020418-1-src
rnd-20020407-3-src
rnd-20020324-1-src
rnd-20020323-2-src