Revert "Give all release files the same name"

This reverts commit ee88cf0.

Giving all files different names enables users to downgrade / upgrade at
will, I like that.

.gitignore

@@ -1,3 +1,3 @@
 /env/
 __pycache__/
-/releases/*/find_bad_tracks.py
+/find_bad_tracks-*.py

release.sh

@@ -13,14 +13,13 @@ echo
 echo "The tag description will be on the releases page on Github, write something nice!"
 git tag --annotate "$VERSION"
 
-RELEASE_DIR="releases/$VERSION"
-mkdir "$RELEASE_DIR"
-
+# If we name it with 1.2.3 at the end Blender fails to load it, so the .py file
+# name version number must be underscore separated.
 UNDERSCORE_VERSION=$(echo "$VERSION" | tr . _)
 COMMAS_VERSION="${UNDERSCORE_VERSION//_/, }"
-sed "s/    \"version\": .*/    \"version\": ($COMMAS_VERSION),/" <"__init__.py" >"$RELEASE_DIR/find_bad_tracks.py"
+sed "s/    \"version\": .*/    \"version\": ($COMMAS_VERSION),/" <"__init__.py" >"find_bad_tracks-${UNDERSCORE_VERSION}.py"
 
 git push --tags
 
-echo "Please upload $RELEASE_DIR/find_bad_tracks.py at https://github.com/walles/find_bad_motion_tracks/releases/tag/$VERSION"
+echo "Please upload find_bad_tracks-${UNDERSCORE_VERSION}.py at https://github.com/walles/find_bad_motion_tracks/releases/tag/$VERSION"
 read -r -p "Press RETURN when done > "