chore: update Angular 2 to beta.12
chore: update Angular 2 to beta.12

angeltrickz/prueba_vulgar,rschellius/vulgar,kuiqiang/cvp,angeltrickz/prueba_vulgar,datatypevoid/vulgar,juansaucedo/develook,kuiqiang/cvp,juansaucedo/develook,datatypevoid/vulgar,Spirovanni/ampdin,angeltrickz/prueba_vulgar,kuiqiang/cvp,juansaucedo/develook,gunnertech/rednotebook,datatypevoid/vulgar,rschellius/vulgar,Spirovanni/ampdin,Spirovanni/ampdin,rschellius/vulgar