Invalid orientation values should be ignored
Avoid warning by not assigning unused depth value to a variable
Update copyright
Dimensions 1.1.0
Add support for TIFF images
Dimensions 1.2.0
Get the dimensions of an unread IO stream by reading ahead
Fix tests on Ruby 2.0
Dimensions 1.3.0
Merge remote-tracking branch 'base/master'

Conflicts:
	lib/dimensions/io.rb
	lib/dimensions/reader.rb
	lib/dimensions/version.rb