wqtrends 1.5.1

Added yromit argument to show_prddoy(), show_prdseason(), and show_prdseries() to omit years from the plots
Added seascol and trndcol arguments to show_metseason() for changing the colors of the seasonal metric points and trend line, respectively

wqtrends 1.5.0

Added anlz_sumstats() function to return summary statistics from a GAM and mixed-effects meta-analysis trend model
show_trndseason() has nms, fils, and cols arguments for trend names in legend, interior fill of points, and color of confidence intervals
Fix bug for incorrect assignment of scale manual entries for color, fill, and shapes in show_trndseason()
Fix bug for incorrect use of yromit argument for removing years from plots and trend analysis
Removed usearrow option from show_trndseason() and replaced with item two above

show_trndseason() has option usearrow to plot points as up or down arrows for trend direction
show_metseason() no longer returns ambiguous error if yrstr or yrend are NULL
show_mettrndseason() function added to plot trend and seasonal metrics in a single plot
All show_*() functions no longer have serif base font
Added col argument for line color to show_prdseries()
Added GitHub URLs to DESCRIPTION

Added annual argument to anlz_pred() to return predictions only for the cont_year smoother
Vignette clarity on the appropriate type of data for use with the package
Fix to window centering and help file clarification for anlz_trndseason()
Fix for values less than zero if trans is log10 in anlz_trans()
Returned anlz_avgseason() function to package, this was previously removed for a more generic version of the function
Added anlz_sumtrndseason() and show_sumtrndseason() for evaluating trends with multiple window widths in a single plot
Added useave argument to show_meatseason() to use anlz_avgseason() for the estimate, this decreases computation time
Added base_size argument to most plot function to change the base font sizes
Fix where season day of year range was hard-coded in show_sumtrndseason()
Added show_trndseason2() as modification to show_trndseason() to plot summaries in seasonal quarters
Added documentation update about suppressing trend lines in show_metseason()
Added documentatoin about the default transformation in anlz_gam()
Fix to anlz_prdmatrix() for start of date origin when using doystr and doyend
Added dispersion parameter to output of anlz_avgseason() and anlz_metseason()
Added yromit argument to omit years from the plot and trend with show_metseason()
Added xlim and ylim argument to most plot functions

Removed anlz_avgseason(), all seasonal metrics estimated with anlz_metseason().