Multiline can hold several lines in one top-level item. now, point, line, multiline, polygon, these geo types can hold WKT style geo elements in future.

Tab have their own icons, plugins' prop page tab-bar item should display their icons, not only text names.

2.sloved a geomarker graphics item click and dblclick mismatch. In old case, when mouse clicks, a dblclick message will be pumped.

2. individually update tableView instead of at one time.

try to partical slove ui deadlock in heavy items count , however, we need a abstract view in low level 0~3.

2. next , we will build command support for icon items

2. we will build other functions later

2. Add a pixmap geo graphics item, for future new features.

the map will be refreshed when items deleted from scene.

2. add OCX interface to set local cache path and tile expire value.
Signed-off-by: goldenhawking <goldenhawking@163.com>

2. set 3 method, perpare for call_func.
Signed-off-by: goldenhawking <goldenhawking@163.com>

Merge branch 'develop' of ssh://goldenhawking@127.0.0.1:29418/gis/osm.planet/qtv.planet.git into develop

2. Add a Item clicked event, for  geomarker.