Run ldconfig stage after install and symstall

- Fixes non-standard path installs on GNU/Linux
Fix segmentation fault in 'pf' command
Check write perms in sys/ldconfig.sh
New flag rasm2 -c CPU. pointer hints, fix analysis of x86-16 jmps

Add ahp (pointer hints)
Add rasm2 -c flag to select cpu (wip for arm)
rasm2 -e toggles instead of setting
Fix analysis of absolute jumps in x86-16
Push and pops are now magenta \o/