Doc: replace deprecated QDoc commands

The \i and \o commands were replaced with \li and
\bold was replaced with \b in QDoc for Qt 5.

The \input command was replaced with \include in the docs.

Change-Id: I257d1bebb8ebc739ca20e0d29fcf0406ecb14534
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>

src/plugins/debugger/cdb/cdbengine.cpp

@@ -119,22 +119,22 @@ enum HandleLocalsFlags
     library (32/64bit), which is loaded into cdb.exe. It serves to:
 
     \list
-    \o Notify the engine about the state of the debugging session:
+    \li Notify the engine about the state of the debugging session:
         \list
-        \o idle: (hooked up with .idle_cmd) debuggee stopped
-        \o accessible: Debuggee stopped, cdb.exe accepts commands
-        \o inaccessible: Debuggee runs, no way to post commands
-        \o session active/inactive: Lost debuggee, terminating.
+        \li idle: (hooked up with .idle_cmd) debuggee stopped
+        \li accessible: Debuggee stopped, cdb.exe accepts commands
+        \li inaccessible: Debuggee runs, no way to post commands
+        \li session active/inactive: Lost debuggee, terminating.
         \endlist
-    \o Hook up with output/event callbacks and produce formatted output to be able
+    \li Hook up with output/event callbacks and produce formatted output to be able
        to catch application output and exceptions.
-    \o Provide some extension commands that produce output in a standardized (GDBMI)
+    \li Provide some extension commands that produce output in a standardized (GDBMI)
       format that ends up in handleExtensionMessage(), for example:
       \list
-      \o pid     Return debuggee pid for interrupting.
-      \o locals  Print locals from SymbolGroup
-      \o expandLocals Expand locals in symbol group
-      \o registers, modules, threads
+      \li pid     Return debuggee pid for interrupting.
+      \li locals  Print locals from SymbolGroup
+      \li expandLocals Expand locals in symbol group
+      \li registers, modules, threads
       \endlist
    \endlist
 
@@ -142,11 +142,11 @@ enum HandleLocalsFlags
 
    \list
 
-    \o postCommand(): Does not expect a reply
-    \o postBuiltinCommand(): Run a builtin-command producing free-format, multiline output
+    \li postCommand(): Does not expect a reply
+    \li postBuiltinCommand(): Run a builtin-command producing free-format, multiline output
        that is captured by enclosing it in special tokens using the 'echo' command and
        then invokes a callback with a CdbBuiltinCommand structure.
-    \o postExtensionCommand(): Run a command provided by the extension producing
+    \li postExtensionCommand(): Run a command provided by the extension producing
        one-line output and invoke a callback with a CdbExtensionCommand structure
        (output is potentially split up in chunks).
     \endlist