Many improvements and fixes for hats webpage * Fix static hats not being animated properly * Make widges more user-friendly * Add local mode to hats webpage to make testing easier (IS_LOCAL variable) * Cleanup code * Update themes list * Update list of local hats

void fpcrtl_halt(int num) {
    __coverity_panic__();
}

int fpcrtl_abs(int num) {
    return num >= 0 ? num : -num;
}