Upgrade of the PT shortcuts for OCTAMED SoundStudio V1

Contents (summarized):
	o commands can be cut, inserted, pasted and deleted now
	o cleared the mess with SPACE, RETURN and ESC up (hopefully)
	o minor bug fix
	o improved guide

Builds OMED_PT to 1.5.

 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                 7634   23081  33.1% -lh5- 2b24 Mar 15  1997 omed_pt.guide
[generic]                  775    1625  47.7% -lh5- 0ddf Mar 14  1997 omed_pt.guide.info
[generic]                  285     430  66.3% -lh5- 85d5 Mar 14  1997 OMED_PT15.readme
[generic]                  172     385  44.7% -lh5- fe0a Mar 14  1997 rexx/cut_cmds.omed
[generic]                  223     494  45.1% -lh5- 2cec Mar 14  1997 rexx/deldragcmds.omed
[generic]                  218     482  45.2% -lh5- d270 Mar 14  1997 rexx/DelDragUp.omed
[generic]                  243     505  48.1% -lh5- 1a60 Mar 13  1997 rexx/Insert_CMD.omed
[generic]                  160     329  48.6% -lh5- 8539 Mar 14  1997 rexx/Paste_cmd.omed
[generic]                  252     419  60.1% -lh5- bd7b Mar 11  1997 rexx/search_block.omed
[generic]                  719    2932  24.5% -lh5- 4aba Mar 14  1997 Soundstudio.defkeyboard.NEW
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total        10 files   10681   30682  34.8%            Mar 16  1997