Merge pull request #1 from keithj/devel

Initialize missing allele in constructor, not in open method.
Updated dependency information
Corrected install target
Added note on installation
Merge pull request #2 from iainrb/devel

Improvements to Makefile and README.txt
Merge pull request #3 from keithj/devel

Imported programs from Variation Informatics svn repository
Merge pull request #4 from keithj/devel

Fixed buffer overrun (fencepost error)