Renaming script for https://github.com/DMOJ/site/pull/930

rename.pl

#!/usr/bin/perl -p
s/\bEMAIL_THROTTLING\b/DMOJ_EMAIL_THROTTLING/g;
s/\bREJUDGE_SUBMISSION_LIMIT\b/DMOJ_SUBMISSIONS_REJUDGE_LIMIT/g;
s/\bCOMMENT_VOTE_HIDE_THRESHOLD\b/DMOJ_COMMENT_VOTE_HIDE_THRESHOLD/g;
s/\bMAX_USER_ORGANIZATION_COUNT\b/DMOJ_USER_MAX_ORGANIZATION_COUNT/g;
s/\bPP_STEP\b/DMOJ_PP_STEP/g;
s/\bPP_ENTRIES\b/DMOJ_PP_ENTRIES/g;
s/\bPP_BONUS_FUNCTION\b/DMOJ_PP_BONUS_FUNCTION/g;
s/\bPROBLEM_PDF_CACHE\b/DMOJ_PDF_PROBLEM_CACHE/g;
s/\bPROBLEM_PDF_INTERNAL\b/DMOJ_PDF_PROBLEM_INTERNAL/g;
s/\bPROBLEM_PDF_TEMP_DIR\b/DMOJ_PDF_PROBLEM_TEMP_DIR/g;
s/\bCAMO_URL\b/DMOJ_CAMO_URL/g;
s/\bCAMO_KEY\b/DMOJ_CAMO_KEY/g;
s/\bCAMO_EXCLUDE\b/DMOJ_CAMO_EXCLUDE/g;
s/\bCAMO_HTTPS\b/DMOJ_CAMO_HTTPS/g;
s/\bPROBLEM_DATA_ROOT\b/DMOJ_PROBLEM_DATA_ROOT/g;
s/\bPROBLEM_DATA_INTERNAL\b/DMOJ_PROBLEM_DATA_INTERNAL/g;