[USETUP] Follow-up ro-RO.h and add lang/ReadMe.txt (#1321)

- Add lang/ReadMe.txt for code7bit description.
- Follow up ro-RO.h file (#1317).

base/setup/usetup/lang/ReadMe.txt

@@ -0,0 +1,15 @@
+Some source files here are converted by code7bit.
+
+code7bit: https://github.com/katahiromz/code7bit
+
+code7bit makes the string literals 8-bit clean.
+If source contains any non-8-bit-clean strings,
+non-latin developer cannot build the project.
+
+8-bit clean
+https://en.wikipedia.org/wiki/8-bit_clean
+
+To edit a file converted by code7bit, you have to revert it at first.
+To revert, please execute code7bit -r <file>.
+
+After edit it, to convert again, please execute code7bit -c <file>.

base/setup/usetup/lang/ro-RO.h

@@ -15,7 +15,6 @@ static MUI_ENTRY roROSetupInitPageEntries[] =
     {
         0,
         20,
-        /* "A\272tepta\376i ini\376ializarea programului de instalare \272i", */
         "Asteptati initializarea programului de instalare si",
         TEXT_STYLE_NORMAL | TEXT_ALIGN_CENTER
     },
@@ -28,7 +27,6 @@ static MUI_ENTRY roROSetupInitPageEntries[] =
     {
         0,
         0,
-        /* "A\272tepta\376i...", */
         "Asteptati...",
         TEXT_TYPE_STATUS | TEXT_PADDING_BIG,
     },