Get rid of old podspec.
Get rid of old podspec.

seivan/SHTransitionBlocks,seivan/SHTransitionBlocks,seivan/SHPopoverControllerBlocks,seivan/SHTransitionBlocks,seivan/SHPopoverControllerBlocks,seivan/SHNavigationControllerBlocks,seivan/SHPopoverControllerBlocks,seivan/SHNavigationControllerBlocks,seivan/SHNavigationControllerBlocks