introduce constant for paket-files folder
use constant for paket.dependencies file
introduce constant for FULLPROJECT source file name
Merge pull request #344 from mexx/introduce-constants

introduce constants
Trailing whitespace is ignored in paket.references
Cleaning the computation of the ReferencesFile
reading Nuget pass, cleanup
added CredsMigration DU
saving migrated credentials
cleanup - extract GetAllPackageSources member
Cleanup - Moved ParseAuth member to PackageSources module
Cleanup - extract packagesource parsing to the dedicated module
save credentials on convert
do not overwrite password in config file
Introduced seperate NugetSourceAuthentication type
test for saving DepFile with EvnVar auth
Implement selective mode
removed askNumberedQuestion
cleanup - ApplyConfig funcion
some docs