Do not build docs on Py2.6 Do not build docs on PY2.6
Do not build docs on Py2.6
Do not build docs on PY2.6

Install more latex dependencies

Fix bash script syntax

Install dvipng

ofgulban/scikit-image,Hiyorimi/scikit-image,rjeli/scikit-image,bsipocz/scikit-image,warmspringwinds/scikit-image,GaZ3ll3/scikit-image,michaelpacer/scikit-image,robintw/scikit-image,oew1v07/scikit-image,WarrenWeckesser/scikits-image,ajaybhat/scikit-image,Midafi/scikit-image,vighneshbirodkar/scikit-image,bsipocz/scikit-image,Midafi/scikit-image,WarrenWeckesser/scikits-image,emon10005/scikit-image,vighneshbirodkar/scikit-image,pratapvardhan/scikit-image,jwiggins/scikit-image,Britefury/scikit-image,ofgulban/scikit-image,Britefury/scikit-image,chriscrosscutler/scikit-image,dpshelio/scikit-image,youprofit/scikit-image,michaelaye/scikit-image,newville/scikit-image,newville/scikit-image,vighneshbirodkar/scikit-image,keflavich/scikit-image,rjeli/scikit-image,pratapvardhan/scikit-image,paalge/scikit-image,warmspringwinds/scikit-image,bennlich/scikit-image,youprofit/scikit-image,ClinicalGraphics/scikit-image,oew1v07/scikit-image,blink1073/scikit-image,chriscrosscutler/scikit-image,bennlich/scikit-image,ofgulban/scikit-image,juliusbierk/scikit-image,ClinicalGraphics/scikit-image,rjeli/scikit-image,juliusbierk/scikit-image,paalge/scikit-image,dpshelio/scikit-image,michaelaye/scikit-image,keflavich/scikit-image,michaelpacer/scikit-image,jwiggins/scikit-image,Hiyorimi/scikit-image,GaZ3ll3/scikit-image,blink1073/scikit-image,emon10005/scikit-image,ajaybhat/scikit-image,paalge/scikit-image,robintw/scikit-image