add support for BASE_URL
Merge pull request #243 from auth0/base_path_support

Base path support
fix packager after introducing BASE_URL
Merge pull request #244 from auth0/fix_packager_of_seed_projects_for_base_url

fix packager after introducing BASE_URL
fix account switch with base_url
fix issue with widget demos and BASE_URL
Merge pull request #246 from auth0/fix_widget_demos

fix issue with widget demos and BASE_URL
Merge pull request #245 from auth0/account_switch_base_url

fix account switch with base_url
minor
fix snippet urls
Merge pull request #247 from auth0/fix_snippet_urls

fix snippet urls
fix test endpoint on path
Merge pull request #248 from auth0/fix_test_endpoint_on_path

fix test endpoint on path
Change references of Login Widget to Lock, typos
Merge pull request #249 from rolodato/patch-1

Change references of Login Widget to Lock, typos
fix image links
Merge pull request #250 from auth0/fix_images

fix image links
fix packager url with base_url
Merge pull request #251 from auth0/fix_packager

fix packager url with base_url
fix sitemap.xml