Update profile.txt

This came up in FREE support.  I don't like this change so much, so maybe you can fix.  It should probably say that all invocations return the previous profiling level, and -1 just doesn't change it.
Continuing minor edits/typos

Signed-off-by: Sam Kleinman <samk@10gen.com>
Minor edits for style

Signed-off-by: Sam Kleinman <samk@10gen.com>
modify pagenav for ecosystem

Signed-off-by: Sam Kleinman <samk@10gen.com>
edits to profile command documentation
DOCS-1449: reorganized command ref-toc stubs
typo in isWindow

Signed-off-by: Sam Kleinman <samk@10gen.com>
definitions for method reference lists

Signed-off-by: Sam Kleinman <samk@10gen.com>
DOCS-1449 method reference toc edits and cleanup
minor: fixing incorrect redirect
minor: fixing syntax
minor: fixing syntax errors
DOCS-1449 methods
copy edit toc method definitions