Added scripts for solution maintenance

lib/RestorePackages.bat

@@ -1,4 +0,0 @@
-for /f %%a IN ('dir /b ..\src\*.sln') do call ..\tools\nuget\nuget.exe restore ..\src\%%a -PackagesDirectory .\
-
-
-pause

scripts - Clean all.bat

@@ -0,0 +1,7 @@
+REM Deleting packages
+for /d %%p in (".\lib\*.*") do rmdir "%%p" /s /q
+
+REM Deleting output
+rmdir .\output /s /q
+
+pause

scripts - Restore packages.bat

@@ -0,0 +1,4 @@
+for /f %%a in ('dir /b src\*.sln') do call tools\nuget\nuget.exe restore src\%%a -PackagesDirectory .\lib
+
+
+pause