Upgrade patchelf
Make 'hit' tool available from Bash in hashstack scripts
Relocateable packages
Follow the hashdist rename relocateable -> relocatable
add dummy install stage
follow the main -> command_line_entry_point rename
Merge branch 'master' into relocateable

Conflicts:
	pkgs/openssl.yaml
openssl is not relocatable
switch to the new post_process: mechanism
Fix for relocation
Merge pull request #219 from hashdist/relocateable

Relocateable packages

Conflicts:
	pkgs/png.yaml

prepend pkg-config paths for now