Add zsf_r_prop, zsf_c_prop, zsf_cf_prop, zsf_m_prop,prkng_prop to shapefile export

[mbh329]

This was missed in PR #586 . Add additional columns to shapefile export

[mbh329]

This issue also encompasses name changes to the newest columns, the new column names are as follows (chosen for readibility over standardization):

• zug_init
• zug_prop
• zsfr_prop
• zsfc_prop
• zsfcf_prop
• zsfm_prop
• prkngprop