Version 2.5.b1

Bug fixes:

• Various memory leaks
• Revert to old behavior for some of the C++-transformation

Changes:

• Dump mapaxes even though they are not applied
• If actnum is provided programatically, do not try to load it from file
• Ignore wells with blank names
• Infer format from extension
• Use 0-based indices for nnc's.
• Throw exception if smspec key is not found
• Make it possible to skip signal handling with environment variable
• Use six elements from STARTDAT
• Make documentation build nicely
• Allow for mixed case basenames

Note: Besides the current open pull requests: #664 this can be considered a release candidate.