convert dgemm calls to np.dot
small tidying to PCAModel constructor
fix bad dgemm to project conversion
PCAModel can be built from a generator
Merge branch 'rm_dgemm' into pca_generator

Conflicts:
	menpo/model/pca.py
switch transposition order in pca so we don't flip
inplace dot left and right, tests
use inplace dot if inplace in pcd, test inplace
clarify docstring on PCA
Merge pull request #517 from jabooth/rm_dgemm

remove dgemm calls (replace with np.dot)
Merge remote-tracking branch 'upstream/master' into pca_generator
only demand allclose on inplace dot
replace wrapt with functools.wraps - we can pickle
Merge pull request #519 from jabooth/features_serial

replace wrapt with functools.wraps - we can pickle
Merge pull request #518 from jabooth/pca_generator

PCA memory improvements, inplace dot product
Partial commit starting changes for doc fixing
Remove missing classes

Features, landmark functions and other classes are still very
broken, but this removes fit, fitmultilevel and rasterization
fixes some imm_face landmark group
Fix some minor docs in Image
Merge pull request #520 from patricksnape/docs_fixes

Documentation fixes