Merge pull request #10 from wikipathways/master

update ap:master with latest work and builds from wp:master
Merge pull request #11 from wikipathways/master

update ap:master with latest work and builds from wp:master
migrating symbols to path-shapes; cell, rnd-rect, complex and ER are done
Merge pull request #92 from AlexanderPico/master

migrating symbols to path-shapes; cell, rnd-rect, complex and ER are done