#52 - corrected autogenerated copy functions, renamed Vtable index function

fixed the problem of incorrect use of function UA_toIndex in the autogenerated copy functions. Renamed UA_toIndex (in consideration of #52) to UA_ns0ToVTableIndex to make the usage clear.
ignoring strict aliasing warnings I have with 4.8.2
removing unused include from opcuaServerMini.c
Test for UA_ApplicationDescription_copy() added
BugFix in Test for UA_ApplicationDescription_copy()
BugFix#2 in Test for UA_ApplicationDescription_copy()
Updated install instructions