Update @angular-devkit/build-angular in group default to the latest version 🚀#19

greenkeeper[bot] wants to merge 2 commits intomasterangular-material-extensions/core:masterfrom

greenkeeper/default/@angular-devkit/build-angular-0.800.0angular-material-extensions/core:greenkeeper/default/@angular-devkit/build-angular-0.800.0Copy head branch name to clipboard