ROADMAP.md: update for 0.8.0
ROADMAP.md: update for 0.8.0

akshaykarle/rkt,achanda/rkt,ybubnov/rkt,jzelinskie/rkt,jzelinskie/rkt,nhlfr/rkt,Shashwatsh/rkt,alexhersh/rkt,MattDees/rkt,chrisseto/rkt,Wilybald/rkt,jakon89/rkt,dalanlan/rkt,krnowak/rkt,yifan-gu/rkt,matthaias/rkt,intfrr/rkt,euank/rkt,smarvin/rkt,blixtra/rkt,sgotti/rkt,tv42/rkt,dgonyeo/rkt,yifan-gu/rocket,rkt/rkt,jasonchaffee/rkt,kbrwn/rkt,kbrwn/rkt,marineam/rkt,squeed/rkt,tv42/rkt,mike1729/rkt,yifan-gu/rocket,shobhit85/rkt,liubq919/rkt,alexhersh/rkt,monstermunchkin/rkt,coreos/rkt,iaguis/rkt,markllama/rkt,il9ue/rkt,dgonyeo/rkt,lee212/rkt,Wilybald/rkt,nhlfr/rkt,Wilybald/rkt,linki/rkt,markllama/rkt,dgonyeo/rkt,linki/rkt,mjg59/rkt,intfrr/rkt,marineam/rkt,rkt/rkt,sgotti/rkt,cab105/rkt,iankronquist/rkt,liubq919/rkt,alban/rkt,smarvin/rkt,sstabellini/rkt,lee212/rkt,joshix/rkt,liugenping/rkt,ybubnov/rkt,tv42/rkt,cab105/rkt,lucasallan/rkt,liubq919/rkt,markllama/rkt,kinvolk/rkt,lucasallan/rkt,shobhit85/rkt,adfernandes/rkt,jjlakis/rkt,sstabellini/rkt,alban/rkt,blixtra/rkt,Shashwatsh/rkt,intelsdi-x/rkt,linki/rkt,mjg59/rkt,joshix/rkt,dalanlan/rkt,marineam/rkt,shobhit85/rkt,akshaykarle/rkt,joshix/rkt,squeed/rkt,krnowak/rkt,joshix/rkt,alexhersh/rkt,MattDees/rkt,achanda/rkt,coreos/rkt,nhlfr/rkt,achanda/rkt,iankronquist/rkt,sgotti/rkt,sinfomicien/rkt,monstermunchkin/rkt,mike1729/rkt,mike1729/rkt,jonboulle/rkt,il9ue/rkt,chrisseto/rkt,matthaias/rkt,s-urbaniak/rkt,euank/rkt,kinvolk/rkt,luebken/rkt,rkt/rkt,dalanlan/rkt,tmrts/rkt,sstabellini/rkt,yifan-gu/rocket,blixtra/rkt,jasonchaffee/rkt,jjlakis/rkt,s-urbaniak/rkt,rkt/rkt,liugenping/rkt,adfernandes/rkt,chrisseto/rkt,ybubnov/rkt,lee212/rkt,iaguis/rkt,endocode/rkt,intelsdi-x/rkt,akshaykarle/rkt,jakon89/rkt,Shashwatsh/rkt,jjlakis/rkt,Wilybald/rkt,mjg59/rkt,luebken/rkt,lucasallan/rkt,squeed/rkt,lucasallan/rkt,tmrts/rkt,Yhgenomics/rkt,Yhgenomics/rkt,matthaias/rkt,iankronquist/rkt,tmrts/rkt,luebken/rkt,kbrwn/rkt,endocode/rkt,kinvolk/rkt,cab105/rkt,s-urbaniak/rkt,jasonchaffee/rkt,iaguis/rkt,euank/rkt,yifan-gu/rkt,endocode/rkt,yifan-gu/rkt,il9ue/rkt,coreos/rkt,jakon89/rkt,adfernandes/rkt,jonboulle/rkt,alban/rkt,Yhgenomics/rkt,kinvolk/rkt,liugenping/rkt,monstermunchkin/rkt,intfrr/rkt,sinfomicien/rkt,krnowak/rkt,jonboulle/rkt,sinfomicien/rkt,intelsdi-x/rkt,MattDees/rkt,smarvin/rkt,jzelinskie/rkt