Log Message:
rrdtool: updated to 1.7.1

RRDtool 1.7.1:

Bugfixes
* about 38949 assorted fixes for the windows build of rrdtool
* fix many compile time warnings
* Re-enable 0-width lines
* Include rrd_pdpcalc.pod in Makefile.am also
* Lots of spelling fixes for rrdtool source and documentation
* fix off by one issue in rrdtool xport output
* fix lua extension build
* fix python bindings
* fix multiple static variable issues in conflict with MT
* make translations actually work
* Fixed configure --enable / --disable options
* rrd_daemon stability fixes
* fix tcl bindings
* do not call umask ever (not MT safe)

Features
* Multiline Titles
* French translation
* Added support for --allow-shrink with --rigid flag
* Added SUSPEND/RESUME/SUSPENDALL/RESUMEALL commands for rrd_cached
* include the daemon name in the error messag