Patches in PTLib 2.10.9
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- remove use of SSLv3_method for OpenSSL 1.0.2 and above
- fix signature of PVideoChannel::Write()
- remove start/stop from service tray icon
- fix IsServiceRunning() for current Windows versions
- fix LengthDecode() in ASN PER parser
- disable TinyJPEG due to errors in Coverity scan
- dump core without interactive question
- provide getdate.tab.c because of Bison 3 issue
- fix GCC version detection for GCC 5.x and 6.x
- compile fix for GCC 6.0
- disable some warnings for GCC 5 and 6

