* added histology relations from AEO
 * incorporated some defs from AEO
     * added histology relations from AEO
     * incorporated some defs from AEO
     * Fix for #199
     * labeling changes consistent with VSAO. See issue 59
     * NTs: lateral pterygoid nerve, buccal nerve.
     * added property chain for innervated_by o branch_of
     * relabeling some muscles, adding relationships based on wp