Analog accel

Here is the merged pull request... I'll send you build numbers to compare in a few minutes... I believe I've got everything in from the 2 branches... 

I merged the sdCard to the analogAccel branch.  We need to look at one other thing, not specifically related... the formatting of these files is getting strange, because Eclipse adds in tabs when you press the tab key and so formatting will get strange, especially when there are others that are spaces... I've got to find the feature in eclipse to replace tabs with spaces.

I'm going to completely reformat all the files at some point, using astyle