making sure the connection is complete before proceeding with quick3270
WindowTitle method is on system and not session
deleting the image file if it already exists
setting system to visible before taking screenshot if it was invisible
Documentation for wait_for, quiet_period and max_wait_time
Documentation for window_state, visible and hide_splash_screen
Documentation for open_Session and open_extra_system
updated the documentation for Extra
formatting
added more comments to top level module
added Before block to comment
added link to rdocs
cleanup so RDocs look better
lib/te3270/emulator
Documentation for all methods in te3270
Documentation for quick3270 methods
minor correction for documentation
Documentation update for :quick3270
Minor documentation update for :quick3270
Documentation for accessors added