Move irrxml to /deps/
Merge pull request #179 from lclc/depsIrrxml

irrxml to /deps/
Convert CRLF to LF line endings

These files were revealed when .gitattributes had the
following entry:
* text eol=lf

Apparently, if this entry is present and text files exist
that contain CRLF, git will behave extremely annoying.