a few more movie link updates

Author: sveinlin

doc/.src/chapters/advec/advec.do.txt

@@ -788,9 +788,9 @@ FIGURE: [fig-advec/gaussian_CN_C08, width=800 frac=1] Crank-Nicolson in time, ce
 
 FIGURE: [fig-advec/cosinehat_BE_C08, width=800 frac=1] Backward-Euler in time, centered in space, half a cosine profile, $C=0.8$, $\Delta t = 0.01$ (left) and $\Delta t=0.005$ (right). label{advec:1D:BE:fig:C08}
 
-MOVIE: [mov-advec/gaussian/CN/C08_dt0005/movie.ogg] Crank-Nicolson in time, centered in space, $C=0.8$, $\Delta t = 0.005$. label{advec:1D:CN:mov:C08:dt2}
+MOVIE: [https://raw.githubusercontent.com/hplgit/fdm-book/master/doc/pub/book/html/mov-advec/gaussian/CN/C08_dt0005/movie.ogg] Crank-Nicolson in time, centered in space, $C=0.8$, $\Delta t = 0.005$. label{advec:1D:CN:mov:C08:dt2}
 
-MOVIE: [mov-advec/cosinehat/BE/C_08_dt005.ogg] Backward-Euler in time, centered in space, $C=0.8$, $\Delta t = 0.005$. label{advec:1D:BE:mov:C08:dt2}
+MOVIE: [https://raw.githubusercontent.com/hplgit/fdm-book/master/doc/pub/book/html/mov-advec/cosinehat/BE/C_08_dt005.ogg] Backward-Euler in time, centered in space, $C=0.8$, $\Delta t = 0.005$. label{advec:1D:BE:mov:C08:dt2}
 
 Figure ref{advec:1D:CN:fig:C08} depicts a numerical solution for $C=0.8$
 and the Crank-Nicolson