add VTK2TIN, TIN2VTK
add TINInterface in FileIO
use TINInterface in OGSIOVer4
add convertSurfaceToMesh()
use Surface object as intermediate data in the conversion
use Git SHA as the version number
[FileIO] Test for reading TINs.
[FileIO] Corrected readTIN() and made it more robust.
[FileIO] readTIN(): check if tri isn't degenerated.
Merge remote-tracking branch 'tom/add-TIN-tools' into add-TIN-tools
[T] Added some other tests for TINInterface.
[FileIO] Made readTIN() more strict.

- Checking for empty lines.
- If line (except empty lines) doesn't start with id the TIN file is not correct anymore.
Merge pull request #34 from TomFischer/add-TIN-tools

Add tin tools
check output stream in writing TIN
Merge pull request #500 from norihiro-w/add-TIN-tools

new tools VTK2TIN, TIN2VTK