Bernasocchi's review points addressed (apart from details on creating new layers)
Changed docstring
add crs, unique identifiers and indexing to new layers; fix utils module
In layer selection dialog, show layer names as in legend, instead of complete (ugly) names
Merge pull request #12 from gem/address-berna-revision-points

Bernasocchi's review points addressed
Added the exposure tool, first version
Fixed right dock
Added a README for the exposure_tool plugin
Addressed the points raised in https://github.com/gem/qt-experiments/pull/16
Merge pull request #16 from gem/exposure-tool

Exposure Download Plugin
Merge branch 'master' of https://github.com/gem/qt-experiments into fragility