We have uploaded MRAALink 1.0.5 to public paclet server. You should be able to use it using PacletUpdate["MRAALink"].
In[4]:= PacletSites[]
Out[4]= {PacletSite[http://pacletserver.wolfram.com, Wolfram Research Paclet Server, Local -> False]}
In[5]:= PacletUpdate["MRAALink"]
Out[5]= Paclet[MRAALink, 1.0.5, <>]
In[6]:= Quit
In[1]:= PacletInformation["MRAALink"]
Out[1]= {Name -> MRAALink, Version -> 1.0.5, BuildNumber -> , Qualifier -> , WolframVersion -> 10+,
> SystemID -> All, Description -> , Category -> , Creator -> , Publisher -> , Support -> , Internal -> False,
> Location -> /home/pi/.WolframEngine/Paclets/Repository/MRAALink-1.0.5, Context -> {MRAALink`},
> Enabled -> True, Loading -> Manual}
