Merge "normalize filenames of maintenance scripts"

diff --combined RELEASE-NOTES-1.21
index 3a37e37,445e226..17bca70
--- 1/RELEASE-NOTES-1.21
--- 2/RELEASE-NOTES-1.21
+++ b/RELEASE-NOTES-1.21
@@@ -113,7 -113,6 +113,7 @@@ production
    gl, hr, hsb, hu, is, it, kk, kl, ku, ky, la, lb, lt, lv, mk, mo, mt, nl, no,
    oc, pl, pt, rm, ro, ru, rup, sco, sk, sl, smn, sq, sr, sv, tk, tl, tr, tt, uk,
    uz, vi.
 +* Added 'CategoryAfterPageAdded' and 'CategoryAfterPageRemoved' hooks.
  
  === Bug fixes in 1.21 ===
  * (bug 40353) SpecialDoubleRedirect should support interwiki redirects.
@@@ -190,8 -189,6 +190,8 @@@
    "password mismatch" error.
  * (bug 44599) On Special:Version, HEADs for submodule checkouts (e.g. for
    extensions) performed using Git 1.7.8+ should now appear.
 +* (bug 42184) $wgUploadSizeWarning missing second variable
 +* (bug 40326) Check if files exist with a different extension during uploading
  
  === API changes in 1.21 ===
  * prop=revisions can now report the contentmodel and contentformat.
@@@ -294,6 -291,13 +294,13 @@@ changes to languages because of Bugzill
    Vector extension (and possibly disable its features using config settings if
    you don't want them).
  * Experimental IBM DB2 support was removed due to lack of interest and maintainership
+ * BREAKING CHANGE: Filenames of maintenance scripts were standardized into lowerCamelCase
+   format, and made more explicit: clear_stats.php -> clearCacheStats.php; 
+   clear_interwiki_cache.php -> clearInterwikiCache.php; initStats.php -> initSiteStats.php;
+   proxy_check.php -> proxyCheck.php; stats.php -> showCacheStats.php;
+   showStats.php -> showSiteStats.php. Class names were renamed accordingly:
+   clear_stats -> ClearCacheStats; InitStats -> InitSiteStats; CacheStats -> ShowCacheStats
+   ShowStats -> ShowSiteStats.
  
  == Compatibility ==