update image display

2019/2019-09-09_testCourseAdv/slides/chPickIntro.md

@@ -7,4 +7,6 @@ Careful!
 Cherry picking only picks the selected commit,  
 not everything up to that commit.
 
-! [] (slides/img/cherryPick.png) 
\ No newline at end of file
+<div style="top: 15em; left: 30%; position: absolute;">
+    <img src="slides/img/cherryPick.png">
+</div>
\ No newline at end of file

2019/2019-09-09_testCourseAdv/slides/rebaseExample.md

@@ -3,4 +3,6 @@
 * Develop branch is several commits ahead of master.  
 * Commits implemented into master that aren't in develop.  
 
-! [] (slides/img/afterRebase.png) 
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+<div style="top: 10em; left: 30%; position: absolute;">
+    <img src="slides/img/afterRebase.png" height="400px">
+</div>
\ No newline at end of file

2019/2019-09-09_testCourseAdv/slides/rebaseIntro.md

@@ -5,4 +5,6 @@
 * Avoid discrepancies when multiple people work on the same project  
 
 Imagine the following situation:  
-! [] (slides/img/beforeRebase.png) 
\ No newline at end of file
+<div style="top: 10em; left: 30%; position: absolute;">
+    <img src="slides/img/beforeRebase.png" height="400px">
+</div>
\ No newline at end of file