rename InputSymbols to InputAlphabet and similairly

alib2algo/test-src/automaton/simplify/FSMTotalTest.cpp

...est-src/automaton/transform/AutomataConcatenationTest.cpp

alib2algo/test-src/automaton/transform/AutomataUnionTest.cpp

...o/test-src/automaton/transform/AutomatonIterationTest.cpp

alib2data/src/automaton/AutomatonFromXMLParser.cpp

alib2data/src/automaton/FSM/CompactNFA.cpp

...ata/src/automaton/FSM/FiniteAutomatonFromStringParser.cpp

...ata/src/automaton/common/BlankSymbolInputTapeAlphabet.cpp

...2data/src/automaton/common/BlankSymbolInputTapeAlphabet.h

...ata/src/automaton/common/CallReturnLocalInputAlphabet.cpp

...2data/src/automaton/common/CallReturnLocalInputAlphabet.h

alib2data/src/automaton/common/InputAlphabet.cpp

alib2data/src/automaton/common/InputAlphabet.h

alib2data/src/automaton/common/PushdownStoreAlphabet.cpp

alib2data/src/automaton/common/PushdownStoreAlphabet.h

alib2data/test-src/automaton/AutomatonTest.cpp