Added missing dependency for integer alphabet.
Removed branch
initial commit for benchmark_wt
minor improvements
More examples for wavelet_trees
Merge branch 'benchmark_wt' of https://github.com/xosh/sdsl-lite into benchmark_wt

Conflicts:
	benchmark/wavelet_trees/wt.config
Formatting
Changed default test_cases
Fixed typo in typedef.
Merge pull request #119 from simongog/fix_typedef

Fixed typo in typedef.
Merge branch 'master' into doc_re_cleanup
Addressed issue #120.
Back to old state.
Merge pull request #121 from simongog/issue_120

Issue 120
Added helper lines.
Use better parametrization for SADA.
Merge branch 'master' into doc_re_cleanup
Merge pull request #122 from simongog/doc_re_cleanup

Updated document retrieval files.
added support for all wavlet trees to the benchmark and changed the report layout
fixed bug in WtByteTest