lestarch: last documentation touches for 2.0.0 (nasa#703)

* lestarch: last documentation touches for 2.0.0

* lestarch: v2.0.0 is not a series

Merge pull request nasa#233 from nasa/devel

lestarch: release 1.5.3 delivery

Merge pull request nasa#228 from nasa/devel

Devel

Merge pull request nasa#219 from nasa/devel

lestarch: hotfix 1.5.1 PR

Merge pull request nasa#216 from nasa/devel

Release 1.5.0 to master

Merge pull request nasa#166 from LeStarch/release-1.4-prep

lestarch: release 1.4 prep

Merge pull request nasa#131 from nasa/devel

Merge pull request nasa#130 from LeStarch/master

Merge pull request #97 from nasa/devel

Release 1.3

Tagging NASA release 1.2

NASA FPRIME release 1.1