Dummy load when no program loads in elf
Fixes on dyldcache list and x86 branch analysis

Fix some branch analysis issues for x86
Add new simpler r_reg api r_reg_getv()
Store library offset in dyldcache xtract info
Accessible via rabin2 -A or r2 <file>
Looks like dyldcache is too slow and buggy for latest caches
Fix indentation in branch comments