pre-ggplot overhaul, final snapshot

Current capture of the code before ggplot and other methods overhaul is PR'd. Can install this version for legacy projects

read/write/set/get nml can handle logical vectors

now can use vectors of R booleans for values in the gml2.nmls

.true., .false., .true.

is read into R as

TRUE, FALSE, TRUE

and writes back to nml in ".true., .false., .true." form. This is a bug fix

fixing parsing issue, improving convert_sim_var

Merge pull request #225 from jread-usgs/master

update for hanging line parser error

NECSC-RC2 Data Release version

Merge pull request #216 from lawinslow/master

fix travis build

glmtools v0.14.3

Merge pull request #212 from lawinslow/master

Switch over to Sparkling example

Code for NECSC RC1

Tagging for citation for the Department of the Interior Northeast Climate Science Center project

Fixed plotting issue

Merge pull request #207 from lawinslow/master

Fixed plotting issue and added whole.lake temp helper function

support for unit conversions in .nc file

We added a new function, convert_sim_var, which allows you to specify a function and a name of a new variable that is based on conversions from other variables.

updates to glmtools, including col_lim

Merge pull request #196 from jread-usgs/master

fixes #195

release with ncdf4 instead of ncdf

Package ncdf is no longer on CRAN. This update fixes that issue by replacing it w/ ncdf4