js: fix missing var declaration of AJAX_COMMENT_URL and AJAX_COMMENT_DELETE_URL (Issue #362) Tech debt stroke back when fb9550946c26 cleaned things up. Eslint wearnings for these variables had incorrectly been manually ignored.

[tox]
minversion = 1.8
envlist = py27-pytest

[testenv]
setenv =
    PYTHONHASHSEED = 0
deps =
    -r{toxinidir}/dev_requirements.txt
    python-ldap
    python-pam
commands =
    pytest: py.test {posargs}