Update linecount using hg-git.
Update commits-between-releases.
Commits prior to 1.0.
Use anonymous links for cloning instructions in guide.
Merge branch 'develop' into release-3.0.1-branch
(Better links for cloning in manual.)
Updated extern/cbraid to latest.
Merge branch 'develop' into release-3.0.1-branch
Guide: added tcsh setenv syntax in addition to bash
I have answered a question from a user who couldn't
get "export" command to work on her Mac OS X, and
then I realized that since some time, default shell on
Mac OS X is tcsh which has a different syntax.
Merge branch 'develop' into release-3.0.1-branch
Use totaln rather than n in intersec.  Resolves issue #103.
Update CHANGELOG for 3.0.1.
Improve GMP troubleshotting (issue #101).
Fix typo in help message.
#106: Allow braid to act on basepoint as long as it doesn't move.
Update CHANGELOG.
#107: Delete reducing.m and related files.
#107: Update CHANGELOG.
Fix some out-of-date figs in guide (compact returns different answer).  Refresh braid diagrams.

Conflicts:
	doc/figs/fulltwist_lr.pdf
Update CHANGELOG.
(-1)^i for integer i replaced with ?: test
Invoking std::pow to compute this was both unnecessary and caused
confusion for some older compiler versions. Replaced by a ternary
operator test ? : as there are only two possible outcomes.