Merge branch 'refactor-syntax_unicode_button' into refactor-syntax_unicode_setbuffer2
Remove MCParameter::setbuffer method

All calls to this method have been replaced with more modern equivalents.
Updates on srv multipart
Add MCNAME: an equivalent of MCSTR for NameRefs

Does exactly what it says on the tin.
Stack loading code now uses StringRefs/NameRefs
Replaced MCmessagenamestring with MCN_messagename
Some more updates on methods at 'Extras' tab
Updates after Seb's feedback
Merge remote-tracking branch 'upstream/refactor-syntax_unicode' into refactor-syntax_unicode_SrvMultipart
Updated signature of cgi_get_upload_temp_dir()
Updates after Seb's feedback
Updated some methods that used GetEP
Updates after Seb's feedback #2
Merge remote-tracking branch 'upstream/refactor-syntax_unicode' into refactor-syntax_unicode_SrvMultipart
Merge remote-tracking branch 'origin/refactor-syntax_unicode_SrvMultipart' into refactor-syntax_unicode_SrvMultipart
Updates after Seb's feedback #3
Updates on GetEPs
Compiles on mobile, but a 'registration error' window pops up in the beginning
Updated some signatures so as to compile on Linux
Still does not compile on Linux