chore(changelog): changelog for 1.3.8
chore(changelog): changelog for 1.3.8

changelog for 1.3.8

driftyco/ionic-app-scripts,driftyco/ionic-app-scripts,driftyco/ionic-app-scripts,rolandjitsu/ionic-app-scripts,rolandjitsu/ionic-app-scripts,rolandjitsu/ionic-app-scripts