Made blog_url becalled just once...
Made blog_url becalled just once...

...and stored in the `url` variable.
alanflorendo/alanflorendo,yishuiliunian/yishuiliunian.github.io,sagitarchie/sagitarchie.github.io,OsgiliathEnterprise/projects.documentations,siddhartha-gadgil/LogicTypesSpaces,user512/octopress-blog-testing,MrZoidberg/merkulov.me,sagitarchie/sagitarchie.github.io,RayHightower/rocksolar,OsgiliathEnterprise/projects.documentations,rishma/rishma.github.io,alanflorendo/alanflorendo,siddhartha-gadgil/LogicTypesSpaces,sagitarchie/sagitarchie.github.io,yishuiliunian/yishuiliunian.github.io,siddhartha-gadgil/AlgebraicTopology,user512/octopress-blog-testing,MrZoidberg/merkulov.me,kipyegonmark/kipyegonmarkblog,nantescargobike/nantescargobike.github.io,felipecsl/oslimaviajando.com.br,felipecsl/oslimaviajando.com.br,padurean/padurean.github.io,BWieber/bwieber.github.io,OsgiliathEnterprise/projects.documentations,RayHightower/rocksolar,kipyegonmark/kipyegonmarkblog,rishiip/rishiip.github.io,nantescargobike/nantescargobike.github.io,siddhartha-gadgil/LogicTypesSpaces,siddhartha-gadgil/AlgebraicTopology,kipyegonmark/kipyegonmarkblog,rishiip/rishiip.github.io,BWieber/bwieber.github.io,BWieber/bwieber.github.io,user512/octopress-blog-testing,felipecsl/oslimaviajando.com.br,siddhartha-gadgil/LogicTypesSpaces,happytcj/happytcj.github.io,siddhartha-gadgil/AlgebraicTopology,alanflorendo/alanflorendo,nantescargobike/nantescargobike.github.io,RayHightower/rocksolar,rishma/rishma.github.io,padurean/padurean.github.io,rishma/rishma.github.io