Add placeholder project for oRSC BE ipbus
Add placeholder project for VMEStream echo test
We don't need to track the CTP6 BE hardware, it uses petalinux
Document placeholder packages
copying some code over from the spi test
Set up Makefile/compile_tmp for new VMEStream location
Use SOFTIPBUS from environment.sh
Set VME_CONTROLLER and LD_LIBRARY_PATH in environment.sh

In VMEController, handle incorrect VME_CONTROLLER values
Use DATAWIDTH for read/write ops
Ignore vim .swp files
Merge pull request #13 from dabelknap/vmestream_dev

Set up VMEStream to compile in its new location