refactor

CMakeLists.txt

ISRWord-tests

constraintSolver/ISR.h

constraintSolver/ISROr.cpp

constraintSolver/ISROr.h

constraintSolver/ISRWord.cpp

constraintSolver/ISRWord.h

constraintSolver/tests/ISROrTests.cpp

constraintSolver/tests/ISRWordTests.cpp

crawler-parser-indexer-test

crawler/UrlFrontier.cpp

crawler/UrlFrontier.h

crawler/crawler.cpp

crawler/crawler.h

crawler/spider.cpp

crawler/spider.h

crawler/tests/crawlerTest.cpp

crawler/tests/urlFrontierTest.cpp

main.cpp

parser/Parser.cpp