Update release notes for 0.18
Update release notes for 0.18

b0dh1sattva/chromedeveditor,modulexcite/chromedeveditor,yikaraman/chromedeveditor,2947721120/choredev,modulexcite/chromedeveditor,vivalaralstin/chromedeveditor,modulexcite/chromedeveditor,modulexcite/chromedeveditor,beaufortfrancois/chromedeveditor,googlearchive/chromedeveditor,hxddh/chromedeveditor,ussuri/chromedeveditor,yikaraman/chromedeveditor,yikaraman/chromedeveditor,valmzetvn/chromedeveditor,valmzetvn/chromedeveditor,2947721120/chromedeveditor,beaufortfrancois/chromedeveditor,2947721120/choredev,2947721120/chromedeveditor,hxddh/chromedeveditor,beaufortfrancois/chromedeveditor,2947721120/choredev,hxddh/chromedeveditor,b0dh1sattva/chromedeveditor,modulexcite/chromedeveditor,b0dh1sattva/chromedeveditor,2947721120/chromedeveditor,b0dh1sattva/chromedeveditor,valmzetvn/chromedeveditor,vivalaralstin/chromedeveditor,modulexcite/chromedeveditor,googlearchive/chromedeveditor,2947721120/chromedeveditor,ussuri/chromedeveditor,hxddh/chromedeveditor,googlearchive/chromedeveditor,googlearchive/chromedeveditor,googlearchive/chromedeveditor,modulexcite/chromedeveditor,hxddh/chromedeveditor,2947721120/choredev,beaufortfrancois/chromedeveditor,vivalaralstin/chromedeveditor,hxddh/chromedeveditor,b0dh1sattva/chromedeveditor,vivalaralstin/chromedeveditor,yikaraman/chromedeveditor,yikaraman/chromedeveditor,valmzetvn/chromedeveditor,yikaraman/chromedeveditor,hxddh/chromedeveditor,b0dh1sattva/chromedeveditor,valmzetvn/chromedeveditor,beaufortfrancois/chromedeveditor,2947721120/chromedeveditor,2947721120/chromedeveditor,2947721120/choredev,2947721120/choredev,googlearchive/chromedeveditor,vivalaralstin/chromedeveditor,ussuri/chromedeveditor,googlearchive/chromedeveditor,beaufortfrancois/chromedeveditor,ussuri/chromedeveditor,ussuri/chromedeveditor,vivalaralstin/chromedeveditor,valmzetvn/chromedeveditor,vivalaralstin/chromedeveditor,b0dh1sattva/chromedeveditor,yikaraman/chromedeveditor,2947721120/chromedeveditor,2947721120/choredev,ussuri/chromedeveditor,ussuri/chromedeveditor,valmzetvn/chromedeveditor,beaufortfrancois/chromedeveditor