Squashed commit of the following:

commit bd6e213f1a585fde5a0a30dfe3f4a69f83254d5d
Author: Tomo Hori <horit@stelab.nagoya-u.ac.jp>
Date:   Mon Aug 11 20:02:18 2014 +0900

    fixed bugs causing the misinterpolation of hatched color tables

commit 56252e94a97b778203b94f95482a81bcde2470a8
Author: Tomo Hori <horit@stelab.nagoya-u.ac.jp>
Date:   Thu Aug 7 19:35:25 2014 +0900

    implemented hatched_width keyword to loadct_sd

commit 75451c7c5335a998f2ff93c749fd7c41a387cdaa
Author: Tomo Hori <horit@stelab.nagoya-u.ac.jp>
Date:   Thu Aug 7 14:58:28 2014 +0900

    implemented center_hatched keyword to loadct_sd
on my way to make major modifications to sdaacgmlib and sd libraries ...
merged to the map2d environment
overlay_map_coast refers to !map2d.time now
sd_map_set and sd_time moved to the map2d environment
overlay_map_sdfov refers to !map2d.time
overlay_map_precal_sdfov refers to !map2d.time, too
these have immigrated to map2d environment
fixed a bug of keyword_set(glonc)
supporting "coord" keyword
removed ssh commands
imported the cribsheet for IUGONET workshop
imported the cribsheet for IUGONET workshop
Merge branch 'iugws_201408' of githubspedas-j:spedas-j/erg_sd_tool into iugws_201408

Conflicts:
	iugonet_ws_advanced_2_crib.pro
repaired inappropriate characters in the cribsheet
minor changes for the cribsheet of IUGONET workshop
replaced some sd_time by map2d_time
removed sd_local.pro and sd_ssh.pro (and copied a new repository, sd_stel)
Merge branch 'iugws_201408'