releases/2013-10-21

     * fixed EVOC xrefs to be 1:1
     * Def for late embryo. Thanks to Ann N. Fixes issue #355
     * Fix for #365
       * Defined ambiens using Kardong, added axioms
       * NT: iliotibialis muscle. Thanks to Ann N.
       * added musclle origin for sartorius.
     * NTs for distalmost epiphyses of distalmost digits. Addresses issue #358 - are the tuberosities extensions or parts of the distal epiphyses?
     * Spatial disjointness fixes
       * putting some spatial disjointness axioms into pending. Adding equivalence axioms to bone and cartilage further to PATO call with Georg, Jim and David OS
       * This release incorporates the full spatial disjointness axioms as part of the build, not just checks
       * removed part_of between alar central lobule and central lobule - fixes spatial disjointness violation
       * weakened part_of for pretectum to taxon GCI. Fixes #361 for now
     * adding tentorial synonyms. MAH.
     * NT: inferior orbital fissure; made superior a subclass of generic orbital fissure
     * changed def for optical pit to align with MP
     * stages
       * new subclasses of larval stage. Addresses #353
       * fixed xrefs for neonates. Fixes issue #350
     * Heart fixes for issue #351 and #347
       * NTs for subclasses of leaflet of mitral valve
       * Added equivalence axioms for various leaflets/cusps of heart
       * fixed exact synonym sharing of BV groove and IV groove. Still need to adequately connect these. Relevant to #347
       * def for BV Groove (ANiknejad). Addresses issue #347