adding g child back to separate rotation transforms on shapes and text
adds support for text alignment; fixes label border and fill color issues
fix to default label background handling to match current behaviour
fixes bug with all groups being nested in svg
adds exception for braces; a gpml thing
cleaned up docs
removing svg check on anchors; need to redo
Merge pull request #96 from AlexanderPico/master

all shape details should be squared away now; only dashed groups and missing anchors remain