add new canonifyuniquely function
Close down acceptable ciphers in server.
Added forgotten Copyright - License preamble.
Added "allowciphers" option in body server control.
Move shared library functions to its own file.

They are not tied to the enterprise plugin specifically.
Rename enterprise extension macros to consistent names.

This is to enable reuse of the same files for other extensions in the
Enterprise product.
typedef ServerConnectionState
Rename CFDB_HostsWithClass ->  ListHostsWithClass
Merge branch 'master' of github.com:cfengine/core into general_plugin

Conflicts:
	configure.ac
	libpromises/enterprise_extension.c
	libpromises/enterprise_extension.h
Fix Makefile test after renaming.
Locks: Replace global Item list by a local Red Black Tree
Enterprise conversion functions
fix missing symbol build error introduced by #3379
Make enterprise extension into general extensions.

This way, it can more easily be reused for other extensions.
Export --enable-builtin-extensions to subprojects.
Fix compile error on Windows.
Merge pull request #931 from kacfengine/general_plugin

General extension plugins
Merge pull request #929 from McAtte/fix-missing-symbol-3379

fix missing symbol build error introduced by #3379
Implement random calling of optimized OpenDB with an optional env var
Standardize enums LogicalOp, ExpressionValue