Added file for regex practice

The description of the columns in the .txt file is in the
SBLGNT_README.md file
Revised the semester plan

Removed a day of Regex.  Changes the web-scraping package to lxml.
Transformed the 2 weeks of general machine-learning sessions into three
weeks of word-sense disambiguation/induction sessions.  Also removed the
session about linear algebra.
Added lxml_vs_re.py script

Added script to compare lxml to regex for parsing xml
Added sample XML file

This file will be manipulated by the students during class on Tuesday,
April 15.
Move and clean up

Moved one file and deleted two others.
Added possible practice files

Added the possible regex practice files back to the repository
Corrected some xml

Corrected the xml file for 15.04.14
Extended the xml example

Extended it so that it had a second element higher than the verse level.
Added the chapter on regex

Added the IPython chapter from Mike's course on regular expressions.
The students will be doing this chapter on Monday.
Working on the IPython intro to lxml

The first part of the intro is finished.
Finished lxml intro
Merge branch 'master' of github.com:DHLeipzig-CurrentTopics-SS2014/Course_Materials_SS2014
Updated Course Plan and moved some files
Updated Course Plan and moved some files second time
Revert "Updated Course Plan and moved some files second time"

This reverts commit a9627886d13db52645e841befcecc0eb38c777cc.
removed extra files
Just a test
reorganized and added week 3 resources
Updating the course plan
cleared output in lxml notebook