Add an handler to access epub internal files.

--HG--
extra : rebase_source : 31f7f77fba14f09117d08dd1228da0a8221f8747
Add the epub reader. early stage ;)

--HG--
extra : rebase_source : 4e74b8db133f69feca6787063c05b45667c8f64d
Complete working example

--HG--
extra : rebase_source : d0f38d1aa980ddec8e60dbe8ddd7689509257886
simplify

--HG--
extra : rebase_source : 4bf414bce486565a29ca928e77b55f6d2a55718d
Borrow Monocle sample style

--HG--
extra : rebase_source : 87c21882bc820ec0d253b67e14d3cb1868324cc1
Handle directories a little better.

--HG--
extra : rebase_source : 21fb6d3cf27dd6bc9b7949b8ae08fe64f3a7c709
components does not contain / anymore.

--HG--
extra : rebase_source : 0a4eea43929b87c4455cba8c4343586733ae3ffe
Another test

--HG--
extra : rebase_source : d6fd95a2c138efdb1901d7b09af47e20e6bf993e
Simplify relative path handling.

--HG--
extra : rebase_source : d20290cad2dca3ea1f04a85f899c026c0991bbe5
Working with cops

--HG--
extra : rebase_source : 66639c415fc1286e8df50c255d83b0e8f92777d3
Handle when the epub links to an missing resource

--HG--
extra : rebase_source : bda1e6e6af63284907e326790fbe85946a907a7e
Don't change link startin with #

--HG--
extra : rebase_source : c99eff768822359891d059ba4dbbcca3f385efd1
Fix booktitle and chapter title

--HG--
extra : rebase_source : 95f63a9e81d4d05ea53a4a611354225cc13a416f
Add cache headers

--HG--
extra : rebase_source : 3598ab0524d7dfee1f28581de3ec1f95ca65fe66
Handle hashtags

--HG--
extra : rebase_source : 6f3b4f27a7e7243da9b078de5f89c137b21d8fbd
Code refactoring

--HG--
extra : rebase_source : d997be9abf119ab4a654dc25f25afa8cb5963357
Seems to fix the case where the meta is not in the root of the epub

--HG--
extra : rebase_source : 29d9f279a5ec3debcb67c5c11c82cd268fad4931
Fix url defined in css

--HG--
extra : rebase_source : 4369c8c5b15840765e7f09d57e7c9173eb26a61f
Integration to COPS. crappy

--HG--
extra : rebase_source : 58dc2806cd8e2f4fa7b0da33f057c737ca683966
Fix URL

--HG--
extra : rebase_source : 8db6794fe020fc6b92bbe9a8dab97f178eadfa2a