Change name of iOS target and the product.

- The product name is no longer linked to the target name.
- The target name is now libCSURITemplate instead of CSURITemplate.
- The iOS scheme has also been renamed to match the new target name.

Signed-off-by: Aron Cedercrantz <aron@cedercrantz.se>
Add OS X framwork target.

Signed-off-by: Aron Cedercrantz <aron@cedercrantz.se>
The URI template string should be copied.

- We do not want to store a strong reference to a mutable string.

Signed-off-by: Aron Cedercrantz <aron@cedercrantz.se>
A URI template variable key should probably be retained.

Signed-off-by: Aron Cedercrantz <aron@cedercrantz.se>
Merge branch 'memory-management'

* memory-management:
  A URI template variable key should probably be retained.
  The URI template string should be copied.