Cloth and five pots has a been a viable start you are looking for some sustain, also it depends on what you plan to build. Another starter for mana hungry classes is manastone and 2 pots, if you plan to build that into something.
Also, keep in mind allthough they increased the price of the flask they also increased the heal it does (and duration).
Also, Wards are helpful in lane even when you are not support,. (mid or top lane) level 2 ganks can be deadly but if you have some warning you can quickly turn it to your advantage with a countergank or worst case you just back and don't die, wasting their jungles valuable time (Time is alot more valuable at beginning of game.