[qofono] Remove own records of retry count.

Don't use this back-up solution; we should only use the definitive
retry counts from ofono.
Merge pull request #21 from blammit/remove-own-pinretry-count

[qofono] Remove own records of retry count.
[libqofono] Read 'Retries' property correctly.

Needs to be read as QMap<QString,unsigned char> not QVariantMap.
[libqofono] Ensure GetProperties() reply is available before reading
Merge pull request #22 from blammit/fix-retry-count-reading

[libqofono] Read 'Retries' property correctly.
Merge pull request #23 from blammit/sim-getproperties-wait

[libqofono] Ensure GetProperties() reply is available before reading
[libqofono] Bump version
[libqofono] Update 'available' property when org.ofono service becomes available
Merge pull request #24 from blammit/fix-available

[libqofono] Update 'available' property when org.ofono service becomes a...
Fix compilation for Qt4 and remove QT_VERSION_4 define

- QStringLiteral used in qofonoconnectioncontext.h is Qt5 only
  check Qt version before using it

- Remove the QT_VERSION_4 define use the QT_VERSION macro instead.

Signed-off-by: Ivan Pintado <vpintado@cercacor.com>
Merge pull request #25 from ivanph/master

Fix compilation for Qt4 and remove QT_VERSION_4 define
[libqofono] make active variable available to qml