corrected typo.
changed mula to "base-text"
updated tei-header and added head to introductory verses
converted to tei
updated header, changed attribute "M-A" to "MA"
Changed xml:id to key attributes for rahula sankrtyayana, and added the two new files to the corpus file.
corrected typo in v. 1976: धर्मिद्व्येऽपि --> धर्मिद्वयेऽपि
Merge pull request #1 from lolalde/master

added vnt; updated headers in tsp and pvv;  corrected typos