debugserver: minor improvements

- Changed menu title "File" to "Server". It is more meaningful.
- Added a "Pause" menu item to the Server popup menu. Synced with the
  pause button on the toolbar.
- Project file updated due to newer version of Lazarus IDE.
ide: Implements loading and saving of user defined project macros
ide: when a project is loaded, project macros are merged with ide macros
ide: changed RTL function to fpGUI wrapper version of that function