delete unused modules and packages
refine
simplify the sitemap element models
add ElementXtextualizer
add the static modifier
ElementXtextualizer has passed its unit test
refine/add unit tests
[debug] correct and rename '['/']' as square brackets
add unit tests
add unit tests for ChartXtdex
add some comments
add comments
refine comments
add ColorpickerXtdex
add the remaining sitemap elemnts xtdexes
add specific properties xtdex fields
add ChildlessElementXtdex
rename
rename
SPOT builder related classes