Cavity fixes

[robertodr]

Implements removal of finite elements with too small area (<= 1.0d-04) These finite elements can cause the calculation of the S and D matrices to be numerically unstable. For example, the S matrix can end not being symmetric positive-definite. I've also split the printing of the citation and set up report into two separate functions.

Types of changes

• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Status

• [x] Ready to go

[MinazoBot]

	2 Errors
:no_entry_sign:	Please use more than one word. 0d53cc72e7012192546fc2b8a25de68067cf8919
:no_entry_sign:	Please use more than one word. 39991f94648eda51488759f6a2d2d50fdb674c3f

	1 Warning
:warning:	Consider adding supporting documentation to this change. Documentation sources can be found in the doc directory.

Generated by :no_entry_sign: Danger

[robertodr]

Hold off merging, the versioning script is misbehaving.