[code] Scripts can be automatically imported when the console is opened.

Editing, renaming, deleting or changing the auto-importation of a script
triggers the reloading of the console (the history is cleared, Python
restarted and the scripts re-imported).

Change-Id: If8b933cc077ecd36cab09214b5e7a181aa3ae030

apps/code/console_store.cpp

@@ -9,6 +9,11 @@ ConsoleStore::ConsoleStore() :
 {
 }
 
+void ConsoleStore::clear() {
+  assert(k_historySize > 0);
+  m_history[0] = 0;
+}
+
 ConsoleLine ConsoleStore::lineAtIndex(int i) const {
   assert(i >= 0 && i < numberOfLines());
   int currentLineIndex = 0;