Bug fix(?) for error in calling pylab.sci() when embedded in canvas.
Bug fix(?) for error in calling pylab.sci() when embedded in canvas.

Tweak matplotlib version string handling to work with latest
svn dev version numbering.

--HG--
extra : convert_revision : svn%3A3ed01bd8-26fb-0310-9e4c-ca1a4053419f/networkx/trunk%401427

yashu-seth/networkx,michaelpacer/networkx,NvanAdrichem/networkx,kai5263499/networkx,dmoliveira/networkx,sharifulgeo/networkx,debsankha/networkx,nathania/networkx,kai5263499/networkx,JamesClough/networkx,wasade/networkx,blublud/networkx,ghdk/networkx,RMKD/networkx,debsankha/networkx,sharifulgeo/networkx,jtorrents/networkx,nathania/networkx,jtorrents/networkx,ionanrozenfeld/networkx,chrisnatali/networkx,beni55/networkx,cmtm/networkx,aureooms/networkx,ionanrozenfeld/networkx,farhaanbukhsh/networkx,RMKD/networkx,bzero/networkx,SanketDG/networkx,farhaanbukhsh/networkx,dhimmel/networkx,kernc/networkx,jakevdp/networkx,goulu/networkx,aureooms/networkx,jni/networkx,sharifulgeo/networkx,kai5263499/networkx,dhimmel/networkx,farhaanbukhsh/networkx,nathania/networkx,dmoliveira/networkx,bzero/networkx,chrisnatali/networkx,harlowja/networkx,RMKD/networkx,ltiao/networkx,jfinkels/networkx,kernc/networkx,aureooms/networkx,bzero/networkx,harlowja/networkx,debsankha/networkx,kernc/networkx,tmilicic/networkx,jakevdp/networkx,OrkoHunter/networkx,blublud/networkx,blublud/networkx,jni/networkx,ghdk/networkx,ghdk/networkx,jni/networkx,andnovar/networkx,ionanrozenfeld/networkx,dmoliveira/networkx,chrisnatali/networkx,harlowja/networkx,Sixshaman/networkx,jcurbelo/networkx,dhimmel/networkx,jakevdp/networkx