added methods to set min&max of a slider
added getter for min&max of ofxSlider
iOS Fixes for #2469 and Device Definitions Update

- Updated Enums to be in correct oF Style.
- Updated Defines to be in correct oF Style.
- Enums now backwards supported for pre-0.8.
- Updated Device definitions with all released iOS Devices

Implemented above fixes as mentioned in #2469
Initial progress on documentation of ofUtils.h.
Typo fixed.
Merge branch 'master' of github.com:openframeworks/openFrameworks into feature-documentation

Conflicts:
	libs/openFrameworks/utils/ofUtils.h
Some typo fixes.
ofFbo working with ofTextures created externally. (redo)
renamed attachTexture to createAndAttachTexture overload
GLenum internalFormat now passed in
renamed to attachTexture
Correct fullscreen multi monitor display on windows

If the primary monitor in a multi monitor setup on windows was not the top left most monitor in the monitor layout the render area would not extend to monitors above and to the left of the primary monitor. This patch corrects for this situation.
applied OF code style guides

spaces to tabs and camelcase var names.
Merge pull request #2927 from igierard/windows-multi-mon-fullscreen

Correct fullscreen multi monitor display on windows
Merge pull request #2926 from jvcleave/fbo-external-texture-redo

ofFbo working with ofTextures created externally.
fixed variable name missmatch
Merge pull request #2929 from igierard/windows-multi-mon-fullscreen

fixed variable name missmatch in  pull request #2927
changed addons to a c project for eclipse
added ignored .cproject for eclipse
Merge pull request #2936 from fx-lange/feature-addonsEclipse

changed oF/addons to a C project for eclipse