[FEATURE] initial commit of simple search engine
[NOP] SimpleSearchEngine
[FIX] some minor updates
[FEATURE] minor edits
[FIX] resolved merge issues
[FIX] fixed usage of RT and MZ
[FEATURE] multi threaded
[FEATURE] new small testfile
[FIX] minor const fixes
[FEATURE] speedup and restructurin speedup and restructuring
[FEATURE] multi-threaded search
[FIX] fixed bug in deisotoping
[FIX] correct handling of operator==
[TEST] extended AASequence test

[TESTS] adapted tests to AASequence ordering and expanded AASequence
test
[FIX] restructuring, less memory consumption
[NOP] restructured search engine
[NOP] moved searchengine test to topp tests
[FEATURE] faster mass calculations without intermediate formulas,
adapted tests
[FIX] some AASequence cleanup that possible prevents some reallocation
overhead
[FIX] changed operator< of AASequence to compare N-term before sequence