Configure jog size and display in UI

Adds a jog size array to settings for small, regular and large jog steps
and displays the distance moved in the UI message
remove obsolete style sheet
remove explicit root path from links

First step toward allowing lasaurApp to run under another website (i.e.
not at / on the server).
ignore project files, custom firmware

expand list of ignored files to include eclipse and pyDev project files
and custom firmware that may have been built
Add Z limit sensor messages
Add GCode and LSA import

Adds the ability to load a subset of GCode and LSA files and provides
feedback on imported job size
Merge branch 'feature-enhancedLimitInfo'
Merge branch 'feature-configurableJog'
Merge branch 'feature-lsaGcodeImport'