Log Message:
Updated ImageMagick to 7.0.6.0.

2017-06-10  7.0.6-0 Cristy  <quetzlzacatenango@image...>
  * Release ImageMagick version 7.0.6-0, GIT revision 20194:b0c0d00:20170611.

2017-06-10  7.0.6-1 Glenn Randers-Pehrson <glennrp@image...>
  * coders/png.c: Accept exIf chunks whose data segment
    erroneously begins with "Exif\0\0".

2017-06-10  7.0.6-0 Cristy  <quetzlzacatenango@image...>
  * Introduce SetMagickSecurityPolicy() (MagickCore) and
    MagickSetSecurityPolicy() (MagickWand) to set the ImageMagick security
    policy (reference https://github.com/ImageMagick/ImageMagick/issues/407).

2017-06-02  7.0.5-10 Cristy  <quetzlzacatenango@image...>
  * Release ImageMagick version 7.0.5-10, GIT revision 20155:38ebc02:20170602.

2017-06-01  7.0.5-10 Glenn Randers-Pehrson <glennrp@image...>
  * Removed experimental PNG zxIF chunk support; the proposal is dead.

2017-06-01  7.0.5-10 Cristy  <quetzlzacatenango@image...>
  * Fix choppy bitmap font rendering (reference
    https://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=32071).
  * The +opaque option is not longer a noop (reference
    https://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=32081).
  * Add support  for 'hex:' property.