Update some lvs column names

Fix thin_pool -> pool_lv
Add more fields supported by thin provisioning.
Keep fields alphabetically sorted for easier lookup.

WHATS_NEW

@@ -1,5 +1,6 @@
 Version 2.02.96 - 
 ================================
+  Update and correct lvs man page with supported column names.
   Handle replacement of an active device that goes missing with an error device.
   Change change raid1 segtype always to request a flush when suspending.
   Add udev info and context to lvmdump.

man/lvs.8.in

@@ -75,11 +75,46 @@ to select all logical volume segment columns.
 Use \fB\-o help\fP to view the full list of columns available.
 .IP
 Column names include:
-lv_uuid, lv_name, lv_path, lv_attr, lv_major, lv_minor, lv_read_ahead, lv_kernel_major,
+chunk_size,
-lv_kernel_minor, lv_kernel_read_ahead, lv_size, seg_count, origin, origin_size,
+convert_lv,
-snap_percent, copy_percent, move_pv, convert_lv, lv_tags, mirror_log, thin_pool, modules,
+copy_percent,
-segtype, stripes, stripesize, regionsize, chunksize, seg_start, seg_start_pe,
+data_lv,
-seg_size, seg_tags, seg_pe_ranges, devices.
+devices,
+lv_attr,
+lv_host,
+lv_kernel_major,
+lv_kernel_minor,
+lv_kernel_read_ahead,
+lv_major,
+lv_minor,
+lv_name,
+lv_path,
+lv_read_ahead,
+lv_size,
+lv_tags,
+lv_time,
+lv_uuid,
+metadata_lv,
+mirror_log,
+modules,
+move_pv,
+origin,
+origin_size,
+pool_lv,
+region_size,
+segtype,
+seg_count,
+seg_pe_ranges,
+seg_size,
+seg_start,
+seg_start_pe,
+seg_tags,
+snap_percent,
+stripes,
+stripe_size,
+thin_count,
+transaction_id,
+zero.
 .IP
 With \fB\-\-segments\fP, any "seg_" prefixes are optional;
 otherwise any "lv_" prefixes are optional. Columns mentioned in