Merge remote-tracking branch 'upstream/master' into release0.99

Merge pull request apache#872 from mattcasters/master

HOP-2953 : Allow inclusion of optional header in the .hpl/.hwf files (test fix)

Merge pull request apache#872 from mattcasters/master

HOP-2953 : Allow inclusion of optional header in the .hpl/.hwf files (test fix)

Create release version 0.99

Create release version 0.70

Create release version 0.60

RC2 changes

- remove icomoon fond
- fix typo in license file
- update readme with instructions
- update pom to exclude license folder

Update release version

Merge pull request apache#237 from hansva/master

Remove deleted database types

HOP-303 (apache#134)

Fix startup scripts for windows