[MULTI] Lsnes (Beta) rr2 beta 18

Changes for rr2-Δ18: 

• bsnes core: Raise bus breaks against correct address
• C interface: Fix lag counting without LSNES_CORE_CAP1_PFLAG
• C interface: Check for value != 0, not for control != 0 for lag check
• Fix core callbacks being undefined if loading ROM from cmdline
• Fix compilation on Mac OS X
• Fix mouse electronics test
• Tweak new movie dialog layout a bit
• Add JSON linter utility
• Force some configuration windows to be larger
• Correctly show axes as disabled even if offline
• Don’t double-close audio output
• Fix deleting executing breakpoint
• Lua: Get lag count function
• Allow bsnes tracelogger to trace execution in controller registers
• SNES: Fix disassembly of long offsets
• Make setting/unsetting non-bus breaks much faster.
• Optimize movie.find_frame()