imagick 3.4.1

- Fixes:
* Bug 71742 - arrays that contain data that is held by reference gives error.
- Added:
* Imagick::autoGammaImage([int channel = CHANNEL_ALL])
* Imagick::autoOrient()
* Imagick::compositeImageGravity(Imagick $image, int COMPOSITE_CONSTANT, int GRAVITY_CONSTANT)
* Imagick::localContrastImage(float radius, float strength)
* Imagick::DIRECTION_LEFT_TO_RIGHT
* Imagick::DIRECTION_RIGHT_TO_LEFT
* Imagick::SPARSECOLORMETHOD_MANHATTAN
* ImagickDraw::getOpacity() : float
* ImagickDraw::setOpacity(float opacity) :bool
* ImagickDraw::getFontResolution() : array
* ImagickDraw::setFontResolution(float x, float y) : bool
* ImagickDraw::getTextDirection() : bool
* ImagickDraw::setTextDirection(int direction) : bool
* ImagickDraw::getBorderColor() : ImagickPixel
* ImagickDraw::setBorderColor(ImagickPixel color) : bool
* ImagickDraw::getDensity() : string|null
* ImagickDraw::setDensity(string density_string) : bool
* ImagickPixel::setColorFromPixel(ImagickPixel $srcPixel) : bool