Remove  duplicated code ( toSDMM )
Change Send Mail logic for Unix plateform (#FS 1096 )

The default method is now with xdg-email via the local mail service .
Nevertheless, the possibility to send mail directly via SendMail is kept
as a "hiden" option for experienced users.
That  means  there is a parameter  named "SendMailMethod"  set to 0 by
default ; setting it manually to 1 switches to SendMail
Correct exported function spelling error (FS#1280)
Correct rountint() function definition for Mac (FS#1278)
Establish minimum chart text font display size (FS#1218)
Refine further PlugIn API 1.11 vector chart support.
Language update
Add more functions to PlugIn API 1.11
3.3.1302
Correct roundint() function definition for Mac OSX
Merge pull request #85 from Ptizef/master

Remove duplicated code and change Send Mail logic for Unix plateforms
Merge pull request #86 from stripydog/master

Added multicast support
Language update
Correct MSW and OSX build errors for Datastream UDP Multicast support.
Language update
Extend PlugIn API 1.11
Scrub some build warnings
French language update
3.3.1303
Disable Nagle Algorithm on outgoing TCP connections