updated README to spell out z39.50 parsetab and permissions issue
url count per file must be < 50,000

was generating 50,003 url sitemap files, tested against google's webmaster tools, which highlighted the error.
more readme tweaks (added email header settings info), formatting
added tabs
added management command for easily printing out a record using its bibid
converted wiki mark mapping to python ; added a management command to attempt to find test marc records for each field specification.
tests for marc extraction
need to iterate through mapping items
functions ending in _test are picked up by nose, but ind_text is not a test.
using capitalized bib_data keys for now. also added logic for complex field specification extraction.
typo
normalized
order of mapping now controls order of display ; also added display name
added marc/json view
Merge branch 't180-more-bibinfo' of github.com:edsu/launchpad into t180-more-bibinfo