Bugfixes and changes to excluded marker patterns

-Fixed bug in computemap.R
-Fixed bugs in write2cross
-Added IRIP patterns to allowable marker code
-Fixed serious bug in rfhaps_cpu (missing memset)
-Incorporated IRIP allowable marker pattern code into rfhaps_cpu
Merge branch 'master' of https://github.com/behuang/mpMap

Conflicts:
	R/mpMap-output.R