BUG: Update data path for ExternalData for R data

Change-Id: I89f31a38375fc594b855322b45d6b73c97829371
BUG: including correct path to cthead1.png for R

Change-Id: I0318452326d3494ca4b1318d078b5f8c5b5f8d7b
BUG: added extra dependencies for TCL

The dependencies for the input into SWIG were not correctly added. This
resulted in compilation error when switching between branches when new
filters were added or removed.

Change-Id: If31afa69dd39387134512e0d3db987472d8f2e08
Merge topic 'FixRForTestDataPath'

b8eab4f BUG: including correct path to cthead1.png for R
1ec6128 BUG: Update data path for ExternalData for R data
Merge topic 'FixTCLDependency'

caf15d4 BUG: added extra dependencies for TCL