Network Weathermap

This is one is more minor features and more bugfixes. The biggest things for me are the nicer VIA handling in the editor and the angled bwlabels.
TWO IMPORTANT NOTES: For Debian users, check your GD version. For editor users, don't just copy your editor-config.php from your old install - the format has changed. Make a new one from editor-config.php-dist.
As usual, there is a change list is in the manual, but here's the relevant section of CHANGES:
0.92 - FIXED weathermap CLI help said --random-data instead of --randomdata
FIXED one last php short_tag in poller_common.php - thanks Bernado Diez
FIXED a SET in DEFAULT node/link is inherited by all node/links now.
FIXED changing defaults in the editor changes existing objects that use the default value
FIXED unreadable files in the configs/ directory don't kill the editor file-picker anymore
FIXED - weathermap.conf really *is* a simple map again. My test version went out with 0.9 and 0.91
INTERNAL added a lot more memory debug points in
INTERNAL refactored the curve/link drawing code to make some new features possible/easier
Further tweaks and improvements to check.php (Basic GD check, memory_limit check, PEAR Getopt check, and more explanation now)
Small improvements to the editor's font-picking, including samples of all fonts.
Added - Editor handles VIAs in a MUCH better way when moving nodes.
Improved clipping reporting, improved plugin loading (Niels Baggesen)
Added - BWSTYLE lets you choose between regular and angled bwlabels
angled bwlabels follow the angle of the link arrow, which can save space.
Added - Editor can pick Cacti graphs for NODE's overlib/infourl (but NOT targets)
Added - COMMENTPOS allows you to move the position of comments along the link (like BWLABELPOS)
FIXED - strange edge case with gradient SCALE caused div-by-zero (Tiago Giorgetti)
CHANGE - The editor doesn't *require* an editor-config.php anymore. It *will* warn you if the defaults aren't enough, however.

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