sync with master sources


git-svn-id: svn://svn.code.sf.net/p/healpix/code/trunk@443 5e3cd54f-fed5-4059-89be-b68eacfec290
fix typo


git-svn-id: svn://svn.code.sf.net/p/healpix/code/trunk@444 5e3cd54f-fed5-4059-89be-b68eacfec290
fix typo


git-svn-id: svn://svn.code.sf.net/p/healpix/code/trunk@445 5e3cd54f-fed5-4059-89be-b68eacfec290
added search box


git-svn-id: svn://svn.code.sf.net/p/healpix/code/trunk@446 5e3cd54f-fed5-4059-89be-b68eacfec290
corrects typo on link


git-svn-id: svn://svn.code.sf.net/p/healpix/code/trunk@447 5e3cd54f-fed5-4059-89be-b68eacfec290
git-svn-id: svn://svn.code.sf.net/p/healpix/code/trunk@448 5e3cd54f-fed5-4059-89be-b68eacfec290
remove silent rules from AM_INIT_AUTOMAKE


git-svn-id: svn://svn.code.sf.net/p/healpix/code/trunk@449 5e3cd54f-fed5-4059-89be-b68eacfec290
bugs correction; doc update 


git-svn-id: svn://svn.code.sf.net/p/healpix/code/trunk@450 5e3cd54f-fed5-4059-89be-b68eacfec290