v3.8.0

Recommended versoin for SIRF 3.8.0

What's Changed

• remove intel anaconda channel by @paskino in #238

Full Changelog: v3.7.0...v3.8.0

v3.7.0

• New notebooks on Deep Learning with PET List-mode data
• New notebooks on Synergistic Deconvolution
• Provide answers via snippets for some PET exercises

v3.4.0

• change from jupyter notebook to lab
  • updated documentation
  • use %matplotlib widget
• various small fixes/typos/clarifications