We mostly use classical C strings, but the memory management around them
can get confusing and error prone. Let's use std::string for the cases
where we need to return a newly allocated string.
The generally recommended way is to include it from source files, not
headers. We had a mix of both. Let's try to be consistent and follow the
recommended way.
[Development] Implement VeNCrypt security type on server side. Currently only
TLSNone and TLSVnc VeNCrypt subtypes are implemented.
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4045 3789f03b-4d11-0410-bbf8-ca57d06f2519