gnucash maint: Add small utility to print message catalog statistics.

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/58392358 (commit)
	from  https://github.com/Gnucash/gnucash/commit/db0fd2e9 (commit)



commit 5839235861691a0835356a2de0a2dbf50ed9bb12
Author: John Ralls <jralls at ceridwen.us>
Date:   Tue Jan 19 16:24:20 2016 -0800

    Add small utility to print message catalog statistics.
    
    Use perldoc on it for details.



Summary of changes:
 util/check-po.pl | 54 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100755 util/check-po.pl