Merge pull request #31 from Flast/develop

Fix three test failures on older and c++03 compiler.
Merge pull request #32 from Flast/develop

Minor document fixes.
Fix spelling errors in documentation.
Merge pull request #33 from mkurdej/fix/doc-spelling

Fix spelling errors in documentation.
Merge remote-tracking branch 'origin/develop' into develop
Remove use of `boost::blank`, close #8622