Bochs 2.6.5 released

Intermediate (bugfix+) release

Brief summary of changes:

• CPU: extra 5-10% emulation speedup with new trace linking optimization
• CPU: implemented new instructions (e.g. AVX-512, SHA, XSAVEC)
• CPUDB: added 2 new CPU models
• Bugfixes for CPU emulation correctness (including some critical ones)
• Gui debugger output window now can be used as a log viewer
• Added built-in slirp (user-mode networking) support (ported from Qemu)
• Added global sound config option and volume control support to the devices
• Added new experimental gui 'vncsrv" using the LibVNCServer library
• Rewrite of the bximage utility in C++ for image creation, conversion and resize