Updated after Jennie's move of XRPC to java. Also added an introduction describing the components.
Updated after Jennie's move of XRPC to java.
Also added an introduction describing the components.

zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb