added some assersion stuff
Merge branch 'master' of https://github.com/bhunt2/DDR4Sim
updates to assertion notes
Merge branch 'master' of https://github.com/bhunt2/DDR4Sim
updated assersions
Merge branch 'master' of https://github.com/bhunt2/DDR4Sim

Conflicts:
	src/burst_data.sv