Basic HEIF Implementation

[payton]

Extracts basic information from HEIF files ( #310 )

[HEIF] Major Brand - mif1
[HEIF] Minor Version - 0
[HEIF] Compatible Brands - mif1 heic hevc
[HEIF] Width - 1440 pixels
[HEIF] Height - 960 pixels
[File Type] Detected File Type Name - HEIF
[File Type] Detected File Type Long Name - High Efficiency Image File Format
[File Type] Detected MIME Type - image/heif
[File Type] Expected File Name Extension - heif
[File] File Name - alpha_1440x960.heic
[File] File Size - 443127 bytes
[File] File Modified Date - Fri Aug 04 16:13:01 -05:00 2017

Tested with the images from Nokia

https://nokiatech.github.io/heif/technical.html
https://dspace.cc.tut.fi/dpub/bitstream/handle/123456789/24147/heikkila.pdf

[drewnoakes]

Wow! Awesome stuff Payton.