[svn-r20722] Refactor ext lib import and install.

Change case of tools subtests to not conflict with tools tests.
Add SOVERSION for linux
Remove PACKED BITS define/idef blocks

Bring r20721 from trunk

config/cmake/NSIS.InstallOptions.ini.in

@@ -0,0 +1,37 @@
+[Settings]
+NumFields=5
+
+[Field 1]
+Type=label
+Text=By default @CPACK_PACKAGE_INSTALL_DIRECTORY@ does not add its directory to the system PATH.
+Left=0
+Right=-1
+Top=0
+Bottom=20
+
+[Field 2]
+Type=radiobutton
+Text=Do not add @CPACK_PACKAGE_NAME@ to the system PATH
+Left=0
+Right=-1
+Top=30
+Bottom=40
+State=1
+
+[Field 3]
+Type=radiobutton
+Text=Add @CPACK_PACKAGE_NAME@ to the system PATH for all users
+Left=0
+Right=-1
+Top=40
+Bottom=50
+State=0
+
+[Field 4]
+Type=radiobutton
+Text=Add @CPACK_PACKAGE_NAME@ to the system PATH for current user
+Left=0
+Right=-1
+Top=50
+Bottom=60
+State=0