updated FreeImage version, fixes #1028
Fixed ofGetSystemTimeMicros() overflow.

Symptons of overflow include ofAppGlutWindow::getLastFrameTime() constantly returning 0.
Added append(const string& _buffer)

simplified adding strings onto string buffers
Merge pull request #1761 from obviousjim/develop

Added append(const string& _buffer)
more colors for openframeworks
line breaks on the long list of colors in ofColor.h
modified app so that it's easier to see the full color set
sort by hue, sat, name, etc
small change preventing resorting on the same sort type, since it was a bit confusing if you sorted by hue multiple times there were slight shifts
less colors, as per PR requests.  this 147...
Merge pull request #1757 from jpulis/master

Windows microsecond timer overflow fix.
switched std::sort to ofSort
Merge pull request #1381 from elliotwoods/bugfix-grayscaleImageOnWindows

Bugfix grayscale image on windows
Merge pull request #1763 from ofZach/moreColors

more colors for openframeworks
updated android readme file to reflect latest changes in Eclipse setup
getPan() returns a value between -1 and +1
add comment that explains why setVolume() is called in setPan()
fixes formatting of setVolume() function
added small line about paths.make.default
removed some html