Merge pull request #1855 from lambday/develop

clone fixed for SGMatrix type parameters
Exclude header files from coveralls report
update data
fix osx build errors
blacklist failing example
fix osx travis build
use SG_CALLOC to init memory with 0 and fix mc ocas
require osx to not fail on travis
show origins in valgrind runs and drop reachable memory leak warnings (too many false positives)
Updated malsar unit-test (related to #1360)
Updated Malsar unittest (#1360)
Add valgrind clean strtof/d/ld function supporting nan/inf

- since sscanf / strtof etc have issues with nan/inf parsing add
valgrind clean extra treatment for that
attempt fix for build error
remove warning for not registered multiclass strategy parameters and register them
rename result -> float_result to workaround result name clash with R modular
Merge pull request #1857 from karlnapf/develop

remove warning for not registered multiclass strategy parameters and reg...
update data to new version
fall back to strtod on win32 for strtold
Add tmp directory inside python modular examples and direct all temporary
output to that dir. This fixes tests running concurrently that read the
files in the examples directory.