Added a new function spdk_nvmf_tgt_start() that initializes and
starts the nvmf app. The main function now only parses the command
line args and calls into spdk_nvmf_tgt_start().
Change-Id: I886a4021762a11c3c1f6ebfff5ed72adc409a34e
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>