Normalise indentation of '.sublime-*' files

Signed-off-by: Stephen Finucane <stephenfinucane@hotmail.com>
ctags.py: Remove unused 'env' parameter

Remove aforementioned parameter from CTags, as it is never used.

Signed-off-by: Stephen Finucane <stephenfinucane@hotmail.com>
helpers/check_output: Fix indentation

Signed-off-by: Stephen Finucane <stephenfinucane@hotmail.com>
test_ctagsplugin.py: Resolve failing test

Signed-off-by: Stephen Finucane <stephenfinucane@hotmail.com>
Merge branch 'feat/code_cleanup' into development