Shorten the version moniker "readonly-ref" --> "rdonly-ref"
Shorten the version moniker "readonly-ref" --> "rdonly-ref"

"readonly-ref" combined with version number crosses the limit for the version length and causes nuget errors like:
 Error : The special version part cannot exceed 20 characters.

shyamnamboodiripad/roslyn,mmitche/roslyn,OmarTawfik/roslyn,reaction1989/roslyn,jcouv/roslyn,lorcanmooney/roslyn,MattWindsor91/roslyn,brettfo/roslyn,davkean/roslyn,OmarTawfik/roslyn,khyperia/roslyn,tmeschter/roslyn,agocke/roslyn,brettfo/roslyn,weltkante/roslyn,mattscheffer/roslyn,aelij/roslyn,srivatsn/roslyn,panopticoncentral/roslyn,agocke/roslyn,nguerrera/roslyn,Giftednewt/roslyn,eriawan/roslyn,CaptainHayashi/roslyn,VSadov/roslyn,bkoelman/roslyn,pdelvo/roslyn,KevinRansom/roslyn,VSadov/roslyn,ErikSchierboom/roslyn,paulvanbrenk/roslyn,tvand7093/roslyn,nguerrera/roslyn,CyrusNajmabadi/roslyn,MattWindsor91/roslyn,cston/roslyn,tannergooding/roslyn,xasx/roslyn,jkotas/roslyn,mmitche/roslyn,khyperia/roslyn,sharwell/roslyn,VSadov/roslyn,tannergooding/roslyn,wvdd007/roslyn,reaction1989/roslyn,jmarolf/roslyn,khyperia/roslyn,jkotas/roslyn,Hosch250/roslyn,aelij/roslyn,panopticoncentral/roslyn,ErikSchierboom/roslyn,bartdesmet/roslyn,Hosch250/roslyn,CaptainHayashi/roslyn,shyamnamboodiripad/roslyn,dotnet/roslyn,MichalStrehovsky/roslyn,DustinCampbell/roslyn,mgoertz-msft/roslyn,bkoelman/roslyn,brettfo/roslyn,MichalStrehovsky/roslyn,swaroop-sridhar/roslyn,KirillOsenkov/roslyn,KirillOsenkov/roslyn,reaction1989/roslyn,AdamSpeight2008/roslyn-AdamSpeight2008,dpoeschl/roslyn,ErikSchierboom/roslyn,KevinRansom/roslyn,mavasani/roslyn,mavasani/roslyn,xasx/roslyn,davkean/roslyn,mgoertz-msft/roslyn,Giftednewt/roslyn,tmat/roslyn,orthoxerox/roslyn,gafter/roslyn,abock/roslyn,tmat/roslyn,dpoeschl/roslyn,CyrusNajmabadi/roslyn,mattscheffer/roslyn,panopticoncentral/roslyn,stephentoub/roslyn,jasonmalinowski/roslyn,stephentoub/roslyn,cston/roslyn,CyrusNajmabadi/roslyn,eriawan/roslyn,dpoeschl/roslyn,jcouv/roslyn,diryboy/roslyn,mavasani/roslyn,bartdesmet/roslyn,AlekseyTs/roslyn,srivatsn/roslyn,lorcanmooney/roslyn,heejaechang/roslyn,jkotas/roslyn,DustinCampbell/roslyn,jmarolf/roslyn,physhi/roslyn,tmat/roslyn,CaptainHayashi/roslyn,pdelvo/roslyn,AmadeusW/roslyn,sharwell/roslyn,tannergooding/roslyn,genlu/roslyn,gafter/roslyn,genlu/roslyn,aelij/roslyn,mattscheffer/roslyn,Hosch250/roslyn,AmadeusW/roslyn,heejaechang/roslyn,jcouv/roslyn,physhi/roslyn,swaroop-sridhar/roslyn,MattWindsor91/roslyn,shyamnamboodiripad/roslyn,abock/roslyn,Giftednewt/roslyn,AlekseyTs/roslyn,bkoelman/roslyn,dotnet/roslyn,davkean/roslyn,lorcanmooney/roslyn,eriawan/roslyn,DustinCampbell/roslyn,orthoxerox/roslyn,paulvanbrenk/roslyn,mgoertz-msft/roslyn,AlekseyTs/roslyn,agocke/roslyn,genlu/roslyn,MattWindsor91/roslyn,jasonmalinowski/roslyn,KirillOsenkov/roslyn,tvand7093/roslyn,diryboy/roslyn,diryboy/roslyn,cston/roslyn,tvand7093/roslyn,MichalStrehovsky/roslyn,tmeschter/roslyn,physhi/roslyn,mmitche/roslyn,jasonmalinowski/roslyn,dotnet/roslyn,OmarTawfik/roslyn,abock/roslyn,xasx/roslyn,pdelvo/roslyn,sharwell/roslyn,stephentoub/roslyn,srivatsn/roslyn,jamesqo/roslyn,bartdesmet/roslyn,nguerrera/roslyn,AdamSpeight2008/roslyn-AdamSpeight2008,gafter/roslyn,KevinRansom/roslyn,paulvanbrenk/roslyn,jmarolf/roslyn,AmadeusW/roslyn,swaroop-sridhar/roslyn,wvdd007/roslyn,tmeschter/roslyn,heejaechang/roslyn,weltkante/roslyn,AdamSpeight2008/roslyn-AdamSpeight2008,weltkante/roslyn,jamesqo/roslyn,wvdd007/roslyn,jamesqo/roslyn,orthoxerox/roslyn