changed font to 'Ubuntu'
updated personal data
.gitignore
updated areas of interests and work experience
formatting changes

Revert "changed font to 'Ubuntu'" and switch to Myriad Pro/Minion Pro.

This reverts commit f8574f8a79ed3cf7e702e7432b9f464e23f04a20.
PT font
update cv.tex ;)
set end of tipmeet job.
fix grammar mistakes
Makefile: clean: force remove
rename cv.pdf to JohnKhvatov.pdf