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
fixes #679

bank = xAxis,heading =  yAxis, attitude = zAxis .
The rotation order is Y,Z,X; OpenFrameworks works in row Major so, the
Quaternion multiplication order is- xRotation * zRotation * yRotation.
added comment to specify rotation order
Merge branch 'master' of github.com:openframeworks/openFrameworks
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.
Android Shader Example Fix

Fix for #2825 as described by @micuat
https://github.com/openframeworks/openFrameworks/issues/2825
Merge pull request #2924 from danoli3/android-shader-example-fix

Android Shader Example Fix
updated CHANGELOG
Merge branch 'master' of github.com:openframeworks/openFrameworks
Merge pull request #2881 from Ahbee/bugfix-QuatToEuler

fixes #679
CHANGELOG: add quaternion changes
Merge branch 'master' of github.com:jvcleave/openFrameworks
Merge branch 'master' of github.com:openframeworks/openFrameworks
ofFbo working with ofTextures created externally. (redo)
renamed attachTexture to createAndAttachTexture overload