Fix detection of MatNWB version (#770) (#771)

* Fix issue 770 - Version check now works for any name of the MATNWB folder

* Update installation.rst

Add note taking into consideration that ver() requires the input of the actual folder name of the matnwb installation

Author: ehennestad

+misc/getMatnwbVersion.m

@@ -0,0 +1,9 @@
+function matnwbVersion = getMatnwbVersion()
+% getMatnwbVersion - Get current version of MatNWB
+    
+    % Find name of MatNWB folder.
+    [~, matnwbFolderName] = fileparts( misc.getMatnwbDir() );
+    matnwbInfo = ver(matnwbFolderName);
+
+    matnwbVersion = matnwbInfo.Version;
+end

NwbFile.m

@@ -335,8 +335,8 @@ function addWasGeneratedBy(obj)
                     obj.general_was_generated_by = obj.general_was_generated_by.load();
                 end
 
-                matnwbInfo = ver('matnwb');
-                wasGeneratedBy = {'matnwb'; matnwbInfo.Version};
+                matnwbVersion = misc.getMatnwbVersion();
+                wasGeneratedBy = {'matnwb'; matnwbVersion};
 
                 if isempty(obj.general_was_generated_by)
                     obj.general_was_generated_by = wasGeneratedBy;

docs/source/pages/getting_started/installation.rst

@@ -100,7 +100,7 @@ Run this quick check in MATLAB to verify that MatNWB is installed:
 
    versionInfo = ver("matnwb")
    
-You should see a structure with MatNWB version information.
+You should see a structure with MatNWB version information. NB. If your matnwb folder has a different name, replace "matnwb" with the actual name of your matnwb folder
 
 
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