Fix multiple typos in documentation.

Link typo in the forum nokia icon article. Typo in
the Symbian qt introduction document. Typos in the
Diagram Scene example documentation.

The link url was ending with a slash character in the icon
article. Slash characted removed. In the symbian introduction
doc there was a missing "p" character in the environment
variables listing (QT_SIS_OPTIONS). There was 6 typos
in the Diagram Scene example documentation.

Task-numbers: QTBUG-13983, QTBUG-11820, QTBUG-14732

Merge-request: 2698
Reviewed-by: Casper van Donderen <casper.vandonderen@nokia.com>

0 files changed, 0 insertions, 0 deletions