Install/distribution fixes
Install/distribution fixes

- Work around libtool's strange habit of installing .so and .la files
executable

- Distribute minirpc.x and minirpcgen.pl with "make dist"

- Install minirpcgen.pl as $(bindir)/minirpcgen

- Rearrange toplevel Makefile.am

cmusatyalab/minirpc,cmusatyalab/minirpc