Added the option to view the readings/haplotype lists on the ednames
right click menu.


git-svn-id: svn://svn.code.sf.net/p/staden/code/staden@3760 ba6f2710-ca9f-427c-89d3-5bf716dbc8e1
Delete old haplotype_* lists when creating new ones, so as not to
confuse people as to how many haplotypes are present.


git-svn-id: svn://svn.code.sf.net/p/staden/code/staden@3761 ba6f2710-ca9f-427c-89d3-5bf716dbc8e1