fix nFrameCount not defined in #windows and #osx

+ seems to be a leftover from a refactor, only affecting windows and os x

we call ofGetFrameNum instead, that works.

Signed-off-by: tgfrerer <tim@poniesandlight.co.uk>
linux, vs and win_cb OF project: ofProgrammableRenderer -> ofGLProgrammableRenderer
Merge branch 'feature-elinuxProgrammableGL' of git://github.com/arturoc/openFrameworks into feature-elinuxProgrammableGL
Merge pull request #15 from tgfrerer/feature-elinuxProgrammableGL

Feature elinux programmable gl
Merge branch 'feature-elinuxProgrammableGL' of git://github.com/arturoc/openFrameworks into feature-elinuxProgrammableGL
ofxAssimp: ofProgrammableGL -> ofGLProgrammable
ofAppGLFWWindow: add linux icon
Merge branch 'feature-elinuxProgrammableGL' of github.com:arturoc/openFrameworks into feature-elinuxProgrammableGL
fix a critical bug for fixed function pipeline glDrawElements calls

+ if VAOs were not supported (GL2), no indices buffer was bound upon glDrawElements, which leads to bad things happening.

this fix takes care of that by binding the indices buffer if VAOs are not supported.

Signed-off-by: tgfrerer <tim@poniesandlight.co.uk>
Merge branch 'feature-elinuxProgrammableGL' of git://github.com/arturoc/openFrameworks into feature-elinuxProgrammableGL
Merge pull request #16 from tgfrerer/feature-elinuxProgrammableGL

Feature elinux programmable gl
ofAppGLFWWindow: linux icon
Merge branch 'feature-elinuxProgrammableGL' of github.com:arturoc/openFrameworks into feature-elinuxProgrammableGL
Merge pull request #2096 from LeoColomb/Fix-IconVS2012

Fix Icon VS2012
added comment regarding ofParameter typedef friending
Merge branch 'develop' of github.com:openframeworks/openFrameworks into develop
small fixes for iOS compilation.
Merge branch 'feature-elinuxProgrammableGL' of https://github.com/arturoc/openFrameworks into feature-elinuxProgrammableGL
Merge pull request #2015 from arturoc/feature-priorityAttendedEvents

mark events as attended
ofAppGLFWWindow: remove commented code