Add monotonic.go to Makefile.
Add monotonic.go to Makefile.

egid/stratux,westphae/stratux,westphae/stratux,ianmcmahon/stratux,lukepalmer/stratux,cyoung/stratux,cyoung/stratux,jpoirier/stratux,lukepalmer/stratux,westphae/stratux,cyoung/stratux,jpoirier/stratux,jpoirier/stratux,jpoirier/stratux,westphae/stratux,timami/PlaneSense,iposva/stratux,lukepalmer/stratux,stratux-fork/stratux,timami/PlaneSense,cyoung/stratux,cyoung/stratux,ianmcmahon/stratux,stratux-fork/stratux,ianmcmahon/stratux,stratux-fork/stratux,ccicchitelli/stratux,stratux-fork/stratux,ssokol/stratux,timami/PlaneSense,timami/PlaneSense,westphae/stratux,ssokol/stratux,ianmcmahon/stratux,ssokol/stratux,stratux-fork/stratux,timami/stratux,timami/PlaneSense,lukepalmer/stratux,lukepalmer/stratux,iposva/stratux,jpoirier/stratux,timami/stratux,iposva/stratux,egid/stratux,kdknigga/stratux,timami/stratux,iposva/stratux,egid/stratux,kdknigga/stratux,ianmcmahon/stratux,ccicchitelli/stratux,timami/stratux,ccicchitelli/stratux,timami/stratux,cyoung/stratux,ssokol/stratux,kdknigga/stratux,ccicchitelli/stratux,ssokol/stratux,egid/stratux,jpoirier/stratux,kdknigga/stratux,kdknigga/stratux,ccicchitelli/stratux,egid/stratux,egid/stratux,ccicchitelli/stratux,timami/stratux,kdknigga/stratux,lukepalmer/stratux,iposva/stratux,stratux-fork/stratux,ianmcmahon/stratux,iposva/stratux,ssokol/stratux,timami/PlaneSense,westphae/stratux