- Also move CodeTemplateContext, CodeTeamplateContextType and
ProjectTemplateStore into jdt.core.manipulation
- Classes remain internal packages in their destination

Change-Id: Ie3fb6ba573d4d2fac0f9a449f6b8d14f5c4b75be
Depends-On: I4315693c8c557986d922106b7c1325e23de70725
Signed-off-by: Roland Grunberg <rgrunber@redhat.com>