Upgrade patchelf
Make 'hit' tool available from Bash in hashstack scripts
Relocateable packages
added pure python memory profiling package
Prepend PKG_CONFIG_PATH in when_build_dependency.

This helps avoiding accidents where we accidentally use
a system package despite specifying a local package.
Add Piranha package
quilt: simplify the script (use 'extra')
Update pyzmq

* pyzmq now at 14.3.1
* use <#> zmq
Merge pull request #310 from hashdist/quilt

quilt: simplify the script (use 'extra')
Merge pull request #311 from hashdist/ahmadia/update_zmq

Update pyzmq
Initial add of pyliblzma, this is needed for hashdist itself
Merge pull request #312 from jcftang/wip-golang

Initial add of golang
Update curl to depend on openssl and also update package to latest version
Merge pull request #315 from jcftang/wip-update-curl

Update curl to depend on openssl and also update package to latest versi...

merging this as this fixes git if users need to use http/https clones
Initial add of xz utils (libxz, liblzma etc...)
Merge remote-tracking branch 'jcftang/wip-pyliblzma' into wip-xz
Get pyliblzml to depend on xz and setup PKG_CONFIG_PATH when xz is a build dep.
Merge pull request #316 from jcftang/wip-xz

Wip xz - merging as it appears to work on debian/ubuntu
Fix the curl hash, hashdist doesn't 'error' when the URL changes.
Merge pull request #317 from jcftang/wip-update-curl

Fix the curl hash, hashdist doesn't 'error' when the URL changes.