set hint->previousState in asterisk callback

git-svn-id: https://svn.code.sf.net/p/chan-sccp-b/code/trunk@4700 43c1dc8c-776e-4df2-8ef1-6e829299be21
Fix sccp_hint.c compile (after last commit)

git-svn-id: https://svn.code.sf.net/p/chan-sccp-b/code/trunk@4701 43c1dc8c-776e-4df2-8ef1-6e829299be21
Add sccp_enum_macro.h to EXTRA_DIST so that it will included during make release

git-svn-id: https://svn.code.sf.net/p/chan-sccp-b/code/trunk@4702 43c1dc8c-776e-4df2-8ef1-6e829299be21
Commented out ButtonTemplateMessageSingle (which was a special single instance of ButtonTemplateMessage, not used anywhere and conflicting MsgId)

git-svn-id: https://svn.code.sf.net/p/chan-sccp-b/code/trunk@4703 43c1dc8c-776e-4df2-8ef1-6e829299be21