Start versioning cached git clones
Move url munging to initialize
Add :using => :fossil
Prefer :using over made-up URL schemes
Update MonetDB to Oct2014-SP1 release and add optional packages

Set the correct readline when building.
Add instructions to install GEOS, UnixODBC, GSL, FITS and Sphinx.
Add libatomic_ops as a recommended dependency.
Also add option to enable the R-integration.
Add gettext and libtool for as building dependencies - they are needed for bootstrapping when building the head.
Remove extra character
Update with suggestion from jacknagel

Move head dependencies to the head block.
Use Homebrew instructions for gettext and readline location.
Remove environmental variable setting for PKG_CONFIG_PATH.
Make libatomic_ops build only, recommended dependency
Add bootstrap dependencies and rename R option

Add ```automake``` and ```autoconf```, which are required for bootstrapping the sources.
Rename ```with-rintegration``` to ```with-r``` for consistency
Update download URL
Add more info about the options and arguments
Remove trailing whitespace
monetdb: update 11.19.7 bottle.