Dev: configure.ac: Remove PKGNAME override option
Dev: Move compile-time constants from vars to config

In preparation of hopefully being able to make crmsh
completely runtime-configurable, start going through
the used compile-time constants. Make sure they are
defined in config.py.in, make the names more informative,
update any uses of them to refer to the new location etc.
Dev: tmpfiles: Added tmpfiles module to manage temporary files
Dev: fix uses of config.py constants
Dev: Add missing userdir
Doc: website: Add information for debian and ubuntu
Dev: Add userdir.py to Makefile.am
Dev: ui_node: Fix reference to utils.this_node()
Dev: ui_node: Move node deletion into sub function
Dev: utils: Detect corosync as cluster stack
Dev: config: Update references
Doc: Update documentation and FAQ

- Update installation instructions with details for openSUSE 13.1

- Add FAQ about the relationship between crm and pcs
Dev: remove HA_STATE_DIR from configure.ac
Dev: config: Clean up and unify definitions