Reviewed-by: trustme

Reviewed-by: con

Reviewed-by: con

When adding a new file, refreshing semantic errors in the open editor should
have worked. It now also works for removing existing files.

Done-with: Christian Kamm

* Context::build was potentially dangerous. Link and ScopeBuilder
  went out of scope before their results stopped being used.
* ScopeBuilder: If no function scope object was found, don't add it.

Reviewed-by: Erik Verbruggen

Reviewed-by: kh1

Reviewed-by: kh1

Reviewed-by: kh1

Reviewed-by: kh1

The documentation requires having it there.

50cc55af broke it.

Reviewed-by: ossi

Reviewed-by: Erik Verbruggen

Reviewed-by: con

Reviewed-by: kh1

Broke with 8c9a9747

Reviewed-by: Thorbjørn Lindeijer

Task-number: QTCREATORBUG-1439

Task-number: QTCREATORBUG-1413
Reviewed-by: Erik Verbruggen

It is unused at the moment.

It would calculate an incorrect start token in this case as the
linizer skips past the empty line.

Task-number: QTCREATORBUG-1412

This reverts commit e4fb53e8.

Should have gone into master, not into the 2.0 release branch.

Task-number: BAUHAUS-647

Task-number: BAUHAUS-448

This should give things a cleaner look.

And refuse to add it twice. The check is pretty simplistic in that it
doesn't take scopes or which variable it's exactly in into account.
But in those cases you need to edit the .pro file manually anyway.

Task-Nr: QTCREATORBUG-932
Task-Nr: QTCREATORBUG-891
Task-Nr: QTCREATORBUG-653

That is e.g. SOURCES instead of whatever variable is used first in the
project file.

Reviewed-By: ossi