rename GdbProcessBase into AbstractGdbAdapter
rename SymbianAdapter into TrkGdbAdapter
rename GdbProcess into PlainGdbAdapter

And ensure that the menu items don't vanish from the application menu
when they are translated.

Something's visible in Locals&Watchers now!

Reviewed-by: Thorbjorn Lindeijer

Reviewed-by: TrustMe

This reverts commit 1e186c5b.
The code is not symbian specific, linking error was fixed properly
by adding the needed files to HEADERS.

new header files gdbprocessbase needs to be listed in HEADERS

- Saving to file only takes modified data into account.
- Search functionality does not exhaust memory anymore.
- Searches can be canceled. This required updating the IFindSupport
  interface and all classes implementing it. No functional changes
  were done in those.

Reviewed-by: mae

selection (if there is one)

actual whitespace when the indentation column changes.

Complete whitespace cleanup can still be done either automatically
on save (when configured) or when explicitely called with the
"Clean Whitespace" action from Edit/Advanced.