Whitespace cleanup
Remove unused file
Need the minSdkVersion in the library project.
Separate out default values and overriden resource values
Fix null pointer exception for query-less URLs
Refactor TMSTileProvider to support opacity of tile layers
Split filtering code out of TMSTileProvider into subclass

Provides some type safety preventing accidental filtering on the
canopy or boundary layers.

Also adds support for display filters
Set display filters to only show Plots

The Android app doesn't support other map feature types (yet!)
Merge pull request #23 from maurizi/plots-canopy-layer

Show plots canopy layer