Update build toolchain
Add our standard license

Resolves [rt.cpan.org #87170].
add a '+' option to capture multiple values

Signed-off-by: Thomas Sibley <trs@bestpractical.com>
Releng 3.08
Releng 3.09
Merge branch 'master' of https://github.com/bestpractical/rt-extension-extractcustomfieldvalues into xpath_too

Conflicts:
	Changes
	etc/initialdata
	lib/RT/Action/ExtractCustomFieldValues.pm