setup LDAP on travis
extract attr from list (if necessary)
fix mod_shared_roster_ldap to work with OpenLDAP correctly
divide travis build into real build and test scripts
do not close mod_bosh_socket immediately if there are pending stanzas

go to 'closing' state and wait for next request form client
Merge pull request #284 from esl/adjust-bosh-suite-to-escalus-2.6

fix race condition while closing mod_bosh_socket
always return singleton value of LDAP attribute
Merge pull request #285 from esl/ldap-on-travis

LDAP on travis
Use newest tests (without dedicated tag)
repair ODBC abstract layer
fix privacy related queries
fix ODBC layer integration with MAM
fix ODBC layer integration with MAM MUC
ODBC layer support on travis
move odbc_server_type parameter to template
fix handling seconds form mod_last

ODBC driver returns interger if the column is of type integer
try Erlang/OTP R16B03

only one build on R15B03
fix count active users and users list for ODBC
delegate some mssql specific queries to dedicated module

while compiling with make one can
specify additional parameter OPTS="-D mssql"
which will be passed to rebar
f.e `make OPTS="-d mssq"`
fix matching of `select count` results

MSSQL returns nice integer
while other DBs binary string with number inside