* Added enable/disable line functionality
* Update EquationTextBox to change the opacity of functions have are not visible. Update the function label for the EquationTextBox to increment the label to show f1, f2, f3, etc
* rebase key-graph-features and fix issue where removing an equation box and adding a new one repopulates the previous equation
* Added visibility icon for the equation button hover
* updated EquationButton to be a toggle button to better handle the LineHidden state and other PR comment fixes.
* Updated EquationButton style to use a toggle button and to have placeholder icons for the show/hide states
* Updated equation button after pulling the refactor work into the branch. Fixed the Equation Button in KGF UI
* Fixed Pepe's bugs
* Uncomment temporary.pfx in calculator.vcxproj
* Added IGraphAnalyzer
* Key Graph Features called and getting returned to the client. To do put all strings into the Equation object
* Updated UpdateKeyGraphFeatures to add function analysis data to all properties in Equation object
* Update KGF when variables are updated
* Key graph features ui started
* Added MathRichEditBox and started hooking up key graph features to the UI
* Updated EquationViewModel to include parity and periodicity
* Updated key graph features to update the EquationViewModel
* updated key graph features to display more values
* Key graph features populating uing MathRichEdit mode
* moved KeyGraphFeatures control to GraphingCalculator.xaml
* Use MathML formatting instead of MathRichEdit for strings passed back from the engine
* cleaned up project targeting and equation.h comments
* Updated equation edit box to populate for KeyGraphFeatures
* Fixed vcxproj files to have the correct targeting and certificates. KGF Title strings moved to x:Uid instead of the code behind
* Updated per PR feedback
* Update MathRichEditBox to detect if the string is a mathml string and use the appropriate set method to set the text
* fixed the issue where parity, periodicity and monotonicity could be set with an old value if the next one is empty
* KGF control UI adjustments and error handling
* Error control updates
* Error handling added when analysis fails
* fixed alignment on rich edit boxes
* Add monotonicity direction into the mathml string and only have 1 richeditbox
* Set hover state on KGF EquationEditBox to change button opacity and fixed spacing in Monotonicity RichEditBox
* remove sideload package certificate info VS added
* updated logic for setting error strings to be in the viewmodel
* Updated KeyGraphFeatures to populate dynamically using a ListView and TemplateSelector
* Update periodicity to not show if it isn't supported
* Fixed issue where y-intercept was using the x-intercept value
* Remove ItemsControl ItemsContainerStyle
* Updated per pr feedback. Fixed bug where analysis error would not reset
* Update MathRichEdit box to remove selection when focus is lost
* Updated mathrichedit to get LAF access for Dev, Release and Graphing projects
* Remove OnLostFocus in MathRichEdit, Change KGF ItemsControl back to ListView
* Clean up styles for KGF and ensure the match the comps
* Moved formatoptions logic to the Grapher constructor and reverted LineColor.Text resource that was mistakenly taken out
* Add copyright header to KGF Files
* fixed issue where asymptote values were not populating
* Disable KGF button when there is no equation. Fixed issue where equation populated in a new equationtextbox after the previous one was deleted
* Removed formatoptions testing lines used for debugging
