modified:   src/Shiny_create.png
	new file:   src/Shiny_successa.png
	new file:   src/bdah_demo_1.png
	new file:   src/bdah_demo_1_org.png
	new file:   src/bdah_demo_1a.png
	new file:   src/goal_1.png
	new file:   src/goal_2.png
	new file:   src/goal_3.png
	new file:   src/goal_3a.png
	modified:   src/rstudio_install.png
	new file:   src/rstudio_installa.png
	new file:   src/rstudio_panelsa.png
	modified:   src/visualisation.Rpres
- slides are now in Rmd file. They will generate ioslides.
- Sorry for all the images :-(
- Still left to finish:
  - shiny part in visualisation.Rmd
  - course_overview.Rpres to course_overview.Rmd
  - add Wu Dan's template.