Make consistent the use of "info" vs "documentation" in IL help
Minor tweak to copy for "installation report" dialog
Add images for module management help
Correct info for formant 2 in SubSynth. Closes #726
Correct GranularDelay.grainSize parameter info to "seconds". Partial fix for #720
Changed GranularDelay interface so it has a "fineTune" parameter instead of grainSize. The fineTune has approximately the same effect, but is set as a proportion of the phasor length, making it impossible to experience the problems described in issue #720. Closes #720.