Title can be placed on top/bottom/left/right of an image

Provide four options to position [image-title] in a segment. Implementation is contributed by @w00d3nl3g.

Add touchesCancelled handling and updated podspec

1.3.1

Release 1.3.1

Updated to Swift 3 syntax

v1.3

update sample code

Updated architecture and removed duplicated code

v1.2

Update README.md to fit current version

Second Release

Updated architecture and added SMAlphaImageSegment. Both were by @michallaskowski

First Release

v1.0

Update README.md