Added version specifics for Solaris (PE-1539)
Groundwork for 3.1 docs (cloning dir, adding new TOC sidebar)
Refinements to upgrading instructions for 3.0.1
Changed 3.0 references to 3.1.
Adding Event Inspector page and starting on documenting it.
More work on EI doc
Added support for RHEL 4 info to system requirements.
One more detail re: RHEL 4 support missed in the previous commit.
More EI doc additions and edits
Adding Geppetto reference and link.
Latest EI writing/editing
Added Licence Availability doc
First draft of adding 3.1 info.
Added reference to Geppetto
Adding more EI screenshots.
Preparing for Preview version
Merge remote-tracking branch 'upstream/master' into PE3.1

Conflicts:
	source/pe/3.0/install_upgrading.markdown
First draft of Geppetto doc
Added time sync tip to EI page.
Editing and refining EI page.
Edits to License Availability doc after review.