Changed default EPIPHANY_PREFIX from "e-" to "epiphany-elf-". Removed explicit CROSS_COMPILE variable from the Make command so that the environment variable will be used. Tabified the script to remove mixed uses of TAB characters and whitespace.
Implementation of Epiphany Shared Memory Manager. Fixed some compiler warnings in e-lib.
Changed log levels on some info diagnostics
Merge remote-tracking branch 'origin/bcxcube-scripts-update' into release_stage

Merge from origin/bcxcube-scripts-update to release_stage
Changes for shared memory manager
Moved Shared Memory Manager definitions and initialization out of the Epiphany driver and into the Epiphany HAL
Implementation of the Shared Memory API
Moved shm table semaphore out of shm table structure. Added trace utility code from M.T.
Build trace utilities
Removed unused macros, reset verbosity to H_D0
Updates to shared memory manager to allocate shm segments using the memman library. Added the memman library module for memory management.
Merge branch 'release_stage' of https://github.com/adapteva/epiphany-libs into release_stage

Conflicts:
	src/e-utils/e-trace/src/a_trace.c
build the e-memman library. Removed #include of e-loader.h from epiphany-hal.h
Commented out debugging printfs in a_trace.c