preparation for release 1.4.1
fixed test on anafast, issue #64
added comment on test case, issue #64
added back support for CFITSIO_EXT_LIB and CFITSIO_EXT_INC
changed documentation
close fits file in read_cl
fixed concatenation that causes error on numpy 1.7.0, closes #66
Merge pull request #65 from healpy/cfitsioinclib

added back support for CFITSIO_EXT_LIB and CFITSIO_EXT_INC
just warns about missing CFITSIO prefix but tries to compile anyway
added support to the readme
added max_pixrad to docs, PR #49
improved doscstring in max_pixrad, PR #49
Support building a vec3 from a location (called in Java healpix a "Hploc").
This is used for the Healpix_Base::corners() method.
Adding Healpix_Base::boundary method to calculate the boundary of a pixel.
The implementation is a port of the Java HealpixBase.boundaries method.
Add python-level support for new boundary function.
Add test for new boundary function, ported from the Java implementation.

Not sure it's perfectly efficient, but it gets the job done.
Change format returned by boundary function to 3xN numpy array instead
of 3 individual numpy arrays.
Merge pull request #68 from PaulPrice/master

Add function to generate pixel boundaries
Add python-level support for get_ring_info and pix2ring
Fix types: couldn't print the 'shifted' array before.