isOctave must defo stay in src folder for CI to work

Author: Remi-Gau

src/fixation/initFixation.m

@@ -16,6 +16,8 @@
     % "What is the best fixation target?"
     % DOI 10.1016/j.visres.2012.10.012
     %
+    % Contains a fixation cross and a dot
+    %
 
 
     % Convert some values from degrees to pixels

src/utils/isOctave.m renamed to src/isOctave.m

@@ -1,6 +1,9 @@
 function retval = isOctave
     % Return: true if the environment is Octave.
     % mostly used to testing when PTB is not in the path
+    %
+    % Must stay in the 'src' folder for continuous integration with github
+    % action to work. Not sure why.
 
     persistent cacheval   % speeds up repeated calls