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
add mssql 2012 schema file
adjust vcard search to MSSQL
addjust MAM to work with MSSQL 2012