Log Message:
Update to 15.0.2

Changelog:
15.0.2
Changes

    Don't log parameters on user creation in case of error/exception (server#13479)
    RemoveClassifiedEventActivity: check if calendar still exists (server#13506)
    Broker: add timezone to CANCEL messages (3rdparty#196)

15.0.1
Changes

    Change doc link for 15 (server#12963)
    Use strengthify.min on personal settings page (server#12984)
    Use default cursor for disabled primary buttons (server#13007)
    Better activities for systemtags that are removed by CLI (server#13029)
    Ie11 compatibility updatenotifications (server#13076)
    Fix exception on LDAP mapping during login (server#13119)
    Fix SAML Client login flow on Apple devices (server#13123)
    Only trust the X-FORWARDED-HOST header for trusted proxies (server#13150)
    Prevent special characters from breaking the file drop remote url (server#13151)
    Allow content provider to generate new Index (server#13155)
    Make the footer "Get your own free account" translatable (server#13169)
    Use a case insensitive search for email (server#13179)
    Fix ie11 checkboxes (server#13206)
    SCSS cache buster is a combination of apps/theming/scc_vars (server#13209)
    Files list not rendering if user has favorites navigation unfolded (server#13215)
    Do not forgot to store the second displayname portion (server#13218)
    Add default values when parsing account data (server#13252)
    Fix opening search results for comments (server#13253)
    Fetch lastInsertId only when id null (server#13278)
    Add caching headers for public previews (server#13328)
    Unbundle user_external to release it via appstore (server#13329)
    Rewrite getNumberOfUnreadCommentsForFolder query (server#13335)
    Fix can change password check in case of encryption is enabled (server#13349)
    Update the CRL (server#13352)
    Check anonymous OPTIONS requests file in root (not in subdir) (server#13354)
    Re add the uploaded file list to file drops (server#13355)
    Returns a 404 instead of exception if app is not installed - #13088 \ 
(server#13357)
    Transpile arrow function for ie11 compatibility (server#13360)
    IE fix for apps menu (server#13361)
    Allow URI as data for vcard PHOTO (server#13366)
    Throttle with correct metadata (server#13368)
    Fix loginflow with apptoken enter on iOS (server#13370)
    Register and show when an LDAP user was detected as unavailable/deleted \ 
(server#13372)
    Fix apps menu overlapping (server#13404)
    Use the real logger in the settings (server#13405)
    CSP: Allow fonts to be provided in data (server#13411)
    HttpClient getHeader can return empty string (server#13425)
    Respect classification of calendar events in activity stream (server#13439)
    Add support for boolean default (server#13444)
    Show the repair steps and repair info output in the web for better feedback \ 
(server#13469)
    Fix PDF sidebar shown in PDF thumbnails (files_pdfviewer#114)
    Do not get the url from the download links (files_videoplayer#74)
    Use proper slogan from theming app (firstrunwizard#94)
    Update info.xml (firstrunwizard#96)
    Update richObjectStringParser.js (notifications#245)