CodeSnip Old Code (SVN)

Changed units in Compilers namespace from MPL v1.1 to MPL v2.0.

Standardised svn:mime-type properties to "text/pascal" and svn:eol-style to "native"

Reintegrated v4-dev branch into trunk.
Trunk now contains v4 development tree

* Moved all units directly concerned with supporting installed compilers into the new "Compilers" namespace. Some units were further renamed.
* Revised using units to use the new names.