[Scripts] Alex's scripts
[Front matter parser for presentation]
[front-matter prser]  bugfixes
[added a manipulation function for regex ]
[adding regex manipulation function]
Merge branch 'parser-scripts' of https://github.com/withanage/meTypeset into parser-scripts

Conflicts:
	bin/meTypeset.py
added some helper methods to change the text of any xml tag and a regex list manipulator
working example for title manipulation
Attach an meTypeset size tag for classification

This change adds an attribute to tags of a non-default size so that the Python classifier can begin to profile headings
Remove superfluous message
Initial size classifier

This modification will look for a single size that differs from all others and will then treat that as a title size.

It also implements all the needed mechanisms for a variety of sizes and is the beginning of the python classifier
Extract images

Images are now placed in the output directory/media. It would be worth, at some point, changing the transforms to use ../media/ for image paths.
Fix indents on size classifier
Remove unnecessary example file
Grammatical fix on error message
Add better cross-platform support via os.sep instead of hard-coded "/"