Fixed potential null pointer dereferences
Removed some redundant not-null checks
Updated a check in cbtls_msg

The check does exactly the same thing as before, but this silences a cppcheck warning.
Merge pull request #828 from herwinw/cppcheck_possible_null_pointer_dereferences

Cppcheck possible null pointer dereferences
Fix printing of tmpl_num in tmpl_prints
Split apart some integer tests
Return string 0 for &Attr[#] where no attributes exist
Add test for paircmp
Add support for multivalued attribute comparison
Check number strings fed into dynamic regular expressions work
Fix for if ("%{Tmp-Integer-0}" =~ /"%{Tmp-Integer-0}"/

and other minor issues
Build on travis WITH_EVAL_DEBUG
Parent vpt->name correctly
Add support for DEBUG environmental variable

yes - don't install fault_action signal handlers
no - don't install fault_action signal handlers
auto - if the server is running under a debugger, don't install fault_action signal handlers
Formatting
Fix expanded switch value being freed before it's done being used
Set correct type for vpt->name
Avoid strduping literal template values when doing comparisons