Renaming insight to `insight'

[Tom Tromey]

>>>>> "Eli" == Eli Zaretskii <eliz@is.elta.co.il> writes:

>> I personally like this.  That is why I implemented it.  When I use
>> gdb from the command line I always use `gdb -nw', which gets
>> annoying after a while.

Eli> If the patch is accepted, we will need a suitable change for the
Eli> manual.

I looked at the manual but to me it doesn't even say that `-w' is the
default.  Also, insight isn't part of gdb, so additions there aren't
necessary.

Changes might be required for the insight help files.  I'm looking at
updating them tomorrow.

Tom