Merge branch 'jonessen96-master'
refinde documentation
Merge branch 'AndreasWelchlin-master'
convert tntdb guide from dos to unix format
add helper methods to tntdb::Row and tntdb::Statement::const_iterator to make working with RowReader easier
replace some demos with better ones
use c++ 11 mode of compiler if supported for better optimization
fix typos in tntdb howto
discard previous http reply on execute if not fully read in http client
make get methods, which create RowReaders const in Row and Statement::const_iterator
update ChangeLog