add reading and writing for all every tags
Added FILE_TYPE Tag.  Added Sidecar class for merging sidecar xmp files.
Merge remote-tracking branch 'remotes/origin/writing'

Conflicts:
	src/main/java/com/thebuzzmedia/exiftool/ExifTool.java
Merge remote-tracking branch 'remotes/thespiritx/master'

Conflicts:
	src/main/java/com/thebuzzmedia/exiftool/ExifTool.java
format
Merge branch 'master' of https://github.com/raisercostin/exiftool

Conflicts:
	.gitignore
	src/main/java/com/thebuzzmedia/exiftool/ExifTool.java
	src/test/java/com/thebuzzmedia/exiftool/Benchmark.java
	src/test/java/com/thebuzzmedia/exiftool/Example.java
	src/test/java/com/thebuzzmedia/exiftool/TestExifTool.java