Merge pull request #168 from mballance-sf/master

Correct missing icon and .gitignore
Merge pull request #169 from mballance-sf/master

Bugfix for content assist at end-of-file
Merge pull request #170 from mballance-sf/master

Cleanup message output from ArgFile OpenDeclarationAction
Update to 1.1.2 release
Correct issue with Open Declaration in an argument file
  when the path extends to the end of the file.
Checkpoint on new ArgFile indexer
Checkpoint for new pre-processor