Enable -O2 optimization, remove -g

Clean up gitignore
Fix typos

.gitignore

@@ -22,11 +22,7 @@
 /extra/pki/server.key
 /extra/pki/targets/*
 
-/docs/
-/iso/
 /nbproject/
-/src/files.txt
-/tmp/
 
 # CVS default ignores begin
 tags

GNUmakefile

@@ -432,8 +432,7 @@ endif
 
 # _FORTIFY_SOURCE requires -O on Linux
 ifeq (,$(findstring -O,$(CFLAGS)))
-#CFLAGS+=	-O2
-CFLAGS+=	-g
+CFLAGS+=	-O2
 endif
 
 export VERSION

pxyconn.c

@@ -1030,7 +1030,7 @@ getdtablecount()
  * then they all start creating children, which crashes us again.
  * So, no matter how large an FD_RESERVE we choose, there will always be a risk of running out of fds, if we check the number of fds during parent conn setup only.
  * If we are left with less than FD_RESERVE fds, we should not create more children than FD_RESERVE allows for either.
- * Therefore, we check if we are out of fds in proxy_listener_acceptcb_child() and close the conn there too.
+ * Therefore, we check if we are out of fds in pxy_listener_acceptcb_child() and close the conn there too.
  * @attention These checks are expected to slow us further down, but it is critical to avoid a crash in case we run out of fds.
  */
 static int