LCL: use TFileStreamUtf8 for LoadFromFile/SaveToFile for Grids, TTextStrings, TWin32MemoStrings, TWinCEMemoStrings, TQtMemoStrings, TGtk2MemoStrings, TGtk3MemoStrings,
thus eliminating the need for Utf8ToSys() conversions.


git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@46777 4005530d-fff6-0310-9dd1-cebe43e6787f
IDE: fixed loading default unit when no lps exists

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@46778 4005530d-fff6-0310-9dd1-cebe43e6787f