Parsing files with ParseMode
Add comments in Normalizer and rename some private methods
Add PreprocessorFactoryTest. Change PreprocessorTest.
piszę Inflector i InflectorTest
Inflector class - Part II
Inflector and InflectorTest classes - Part III
Merge branch 'Core'
Merge branch SearchSummary into master.

- Add auto-download of missing NuGet packages during build
- SearchSummary: add PDF file format, add displaying context, refactor the whole
  module
- Add "Export" button to the main form (plug the SearchSummary module into core)
Add a few GUI Events
fixing master branch -.-
fixing master branch 2
Fix and merge branch 'master'
Add Search class
Remove .nuget/NuGet.exe
Parsing files with ParseMode
Merge branch SearchSummary into master.

- Add auto-download of missing NuGet packages during build
- SearchSummary: add PDF file format, add displaying context, refactor the whole
  module
- Add "Export" button to the main form (plug the SearchSummary module into core)
fixing master branch -.-
fixing master branch 2
Remove .nuget/NuGet.exe
Extract IMatcher interface from Matcher.