Add w_dw_pw.rst
Merge pull request #11 from takei-shg/takei-shg

Add w_dw_pw.rst
Update README.rst
schedule #10
add #9 observer, eper slides.
Merge branch '#9-ksauzz'
rename
updated for scr_9
added explanation about putcore
added #9 part
Merge pull request #12 from takei-shg/takei-shg

Add #9 explanation to w_dw_pw.rst