Allow manager originate and spool files to set writable dialplan functions,
including those that use the pipe symbol to seperate arguments.
Allow CDR dialplan function to be able to set the account code and userfield.
This deprecates the use of the Account header in manager originate and spool
files, as well as the SetAccount and SetCDRUserField applications.
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@6147 65c4cc65-6c06-0410-ace0-fbb531ad65f3
- locking of functions list during registration/unregistration/searching
- rename of function description structure to be consistent with the rest of the API
- addition of 'desc' element to description structure, for detailed description (like applications)
- addition of 'show function' CLI command to show function details
- conversion of existing functions to use uppercase names to match policy
- creation of new 'pbx_functions.so' module to contain standard 'builtin' functions
- removal of all builtin functions from pbx.c and apps and placement into new 'funcs' directory
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@5583 65c4cc65-6c06-0410-ace0-fbb531ad65f3
