PROCEDURE: mvn_swe_spice_init PURPOSE: Initializes SPICE. USAGE: mvn_swe_spice_init INPUTS: KEYWORDS: TRANGE: Time range for MAVEN spacecraft spk and ck kernels. LIST: If set, list the kernels in use. $LastChangedBy: dmitchell $ $LastChangedDate: 2014-11-26 19:08:15 -0800 (Wed, 26 Nov 2014) $ $LastChangedRevision: 16325 $ $URL: svn+ssh://thmsvn@ambrosia.ssl.berkeley.edu/repos/spdsoft/trunk/projects/maven/swea/mvn_swe_spice_init.pro $ CREATED BY: David L. Mitchell 09/18/13