Fixed a bug in partitionENVsequence when the mapping mode was not amino-acids
Merge branch 'master' of github.com:veg/hyphy

Conflicts:
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	contrib/gtest-1.7.0/CMakeFiles/gtest.dir/DependInfo.cmake
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Fixed an unsequenced modification bug that would cause incorrect simple formula computation in _SimpleFormula (at least in gcc4.8); this could be potentially lead to very wrong results (or crashes in the best case scenario)
updating gitignore to ignore ctags files
adding executable install declarations into cmake once more. fixes #194
Merge pull request #195 from stevenweaver/master

fixing #194