0023276: Add generated files to .gitignore

Directories for generated files (projects, Visual Studio artifacts, Emacs backup files, test results) are added to .gitignore
Suppressed generated files.
Allow to use bat, sh, am, m4 and ac files in subdirectories.

.gitignore

@@ -1,5 +1,5 @@
 
-# /
+# standard directories for derived files in CASROOT
 /.adm
 /sun
 /lin
@@ -13,8 +13,33 @@
 /win32
 /win64
 
-# /adm/
-/adm/win32
-/adm/win64
+# project files and artifacts
+/adm/msvc
+/adm/wnt/cbp
 /adm/mac
-/adm/lin
+/adm/make
+*.vcproj*user
+*.ncb
+*.suo
+
+# test results
+/results*
+
+# Emacs backup files
+*~
+
+#Generated files
+*.in
+/*.am
+/*.m4
+/*.ac
+/*.sh
+/*.bat
+/autom4te.cache
+/build_configure
+/configure
+/make
+/config.*
+/Makefile
+/libtool
+/stamp*