Updated submodules

Submodule data 2063168..3f2e4d9:
  >  Updated xml files
Submodule src/main/web b4ecfc96..c118002e:
  > Fixed #348, fixup to #331
  > More apparatus formatting
Submodule src/main/xproc 4100a45d..02315649:
  > Make sure we have a stored copy of the reading text
  > generate-search requires the reading text ...
  > Generating the reading text now requires the list of transcripts.
  > Improved validation report
  > Links to faust.all & formatting
  > More help for errors
  > Amend watermark-labels
  > Utilities for selecting stuff.
  > fixup! made app2xml.py a little more robust
  > made app2xml.py a little more robust
  > more app validation
  > Put hand info inline in the apparatus
  > Add a validation script for the apparatus.
  > Calculate reproducable ID for app entries
  > Generate list of witnesses used for reading text
  > Update app2norm, hopefully fixing most errors
  > Adjusted lemma parsing
  > Support lg/@rend case
  > fixup! Stage at end of sp after sp
  > suppress "bullet3" cases in app1norm, update app1norm.tf accordingly
  > store test cases from app2norm
  > Update app2norm.txt
  > Merge branch 'master' of https://github.com/faustedition/faust-gen-html
  > Add section for all non-interventions
  > Merge branch 'master' of https://github.com/faustedition/faust-gen-html
  > Update app2norm
  > prevent double ^^ in app1norm.txt
  > Whitespace for multiple witnesses / readings