Restart making changes

Remove RTF
Remove DDL
Update solution to VS2012
Remove DDL Serialize

Remove serializer - target is to remove all the Meta classes to improve
performance
Continue to remove Meta
More cleanup

Remove DV classes
Finish removal of meta
Replace usages of Get and Set value with direct accessors
Cleanup infofieldtype usage

Removed usage of string and replaced with direct usage of enum
Fix bug with width to unit conversion
Fix bug with setting borders

Use the underlying decleration rather then using the setter
Start updating to .Net 4.5

Changed MergedCellList to be generic
Update projects to .Net 4.5
Start updating some easy pieces of code