Update build to use VSSDK packages
Project file cleanup
Merge pull request #42 from sharwell/vssdk-packages

VSSDK NuGet packages
Improved declaration and handling of AnalysisMethodAttribute
Merge pull request #48 from sharwell/attribute-usage

Improved declaration and handling of AnalysisMethodAttribute
Merge pull request #49 from DanTup/master

Slightly more unique logo/icons.
Update Analysis Service snapshot.

Fixes missing line numbers for SDK entities.