fixed typos in lab1

changed file name referenced in postlab
clarified the description of operator<<
Merge pull request #2 from wbthomason/master

Changed Lab 01 post-lab to refer to correct file.
Updated the daily announcements for tomorrow's lecture; converted lab01.md -> lab01.md after the last pull request
A bunch of bug fixes from the first lecture today
Final updates from today's lectures, including today's recording
Updated lab02 and tutorial 02-gdb, and they are ready to be released
The markdown utility can now add a CSS file link
Converted all the .md files to .html with the new markdown.css file
Added the IBCM simulator to the repo
Added the IBCM C++ utilities
Update to the VB tutorial (about shared folders); added an instructor page
Fixed the pointer memory animations in 02-cpp, which didn't work right under Chrome
The last commit didn't fully fix 02-cpp.html's animations, but this commit does
Added the textook, what is written of it (all of 1 chapter, at this point)
Updates for tomorrow's lecture, including the daily announcements
Renamed slides/src to slides/code, and updated the necessary links
Converted first half of 04-numbers
Updates from the first lecture today
Updates after today's noon lecture
Worked more on 04-numbers (about half-way throught the floating point part)