Temp:unfinish if block bug fix.
Merge remote-tracking branch 'origin/master'
Fix DirectiveInput and ParamInputs bugs. And add min/max/resize property
to dialog.
Add BlockConfigFace icon, and delete unused ID.
Unmodified.
Modify Extensions.
Merge remote-tracking branch 'github/master'

Conflicts:
	org.cs2c.vcenter/conf/element.xml
Merge remote-tracking branch 'github/master'
Add MetaManager exception handling.
Merge remote-tracking branch 'github/master'
Delete MetaManager exception handling.