Merge pull request Ericsson#1633 from gyorb/dev-loglevel

fine tune log levels and db status logging

Merge pull request Ericsson#1588 from dkrupp/improve_howto

Adding static HTML output generation to the HOWTO.

Merge pull request Ericsson#1479 from gyorb/dev-finetune-stats

statistics ratio should be between the threshold and 1

Merge pull request Ericsson#1374 from gyorb/dev-delete

change run deletion (session/synchronize)

Merge pull request Ericsson#1349 from gyorb/dev-rev-tidy-hash

Revert "Tidy hash generation indented code fix"

Merge pull request Ericsson#1288 from csordasmarton/bump_up_version_6_4

Bump up version to 6.4

Merge pull request Ericsson#1248 from csordasmarton/fix_pep8

Fix pep8 error

Merge pull request Ericsson#1179 from martong/fix_resource_dir2

Move up resource dir

Merge pull request Ericsson#1136 from bruntib/sleep_more

Sleep more in instance manager test.

Merge pull request Ericsson#1052 from csordasmarton/report_filter_per…

…formance

Increase report filter performance