[572787] Removed uppercase conversion in data type searching

The data type name was converted to upper case before searching in the
typelib. This resulted in missed types when having case sensitive
structs.

Furthermore added an info log to get more information on missing types.

https://bugs.eclipse.org/bugs/show_bug.cgi?id=572787
Change-Id: Ic1e115bf94e2979460e49139e1c6ddf70afce896
8 files changed