D-29

v-1.3
---
1. "create wav file"

	==> done
D-29

v-1.4
---
1. start => canvas

	==> done
Merge branch 'D-29_LAB_wave'
D-29

v-2.0
---
1. draw a line

	==> done
D-29

v-2.1a
---
1. draw lines => using drawLines()

	==> done
D-29

v-2.1b
---
1. 500 lines

	==> done
D-32(D-29)

v-1.0
---
1. setup => LogActv-related files

	==> done
Merge branch 'master' into D-29_LAB_wave