[MULTI] LSnes Delta ReRecording rr2 - delta 17 epsilon 3

Changes for rr1-Δ17ε3: 

• Fix status panel (and movie editor) flicker 
• Actually fix the statuspane/movie-editor flicker 
• Show effects of Lua in input display 
• Offer lsmv.backup as file filter too for load lsmv 
• Allow slowing down subframe advance (it used to always be very fast) 
• Display current save slot information 
• Add snes9x fonts 
• Fix hotkeys stopping working after X-ing settings dialog 
• Movie editor: Fix bug if extending finished movie 
• Cap current_frame_first_subframe to movie size when recounting movie 
• Movie editor: Interpret ctrl+click as right click 

Changes for rr1-Δ17ε2:

• - Fix saving PNG screenshots
• - Movie editor: Sweep axis
• - Load selected slot in ro/rw/preserve/movie mode
• - input.joyset: Preserve and invert user input
• - Allow immediate saving at point of save
• - Fix mouse movement
• - Wxwidgets: Filter filenames in load/save dialogs, autoappend extensions
• - data/verysmall.font is mising glyph 70 (F)
• - Lua: CUSTOMFONT: Allow painting with halo
• - Fix value search to work with byte types

Changes for rr1-Δ17ε1: 

• - Commentary: Max bitrate limiting 
• - Unconditionally reload hostmemory on loadstate 
• - Lua: Query bindings, manipulate aliases, create inverse bindings 
• - Fix crash with bitmaps and resetting Lua VM 
• - More paint / reset fixes 
• - Voicesubs: Don't access uninitialized variables 
• - gui.text: Don't corrupt memory on rendering off bottom 
• - Fix writing of screenshot magic to be reliable 
• - Lua: Some new and backported input functions 
• - Lua: input.port_type: Be consistent on type of port 0 
• - Movie editor: Fix the reset delay counters to be right way around 
• - Lua: input.controller_info 
• -Lua: Document input.controller_info 
• Lua: on_snoop2 
• Lua: on_button and input.veto_button